Your CPAP hardware, such as anything in your home, should be every now and again cleaned. Remember that residue, earth and even microscopic organisms amass inside the nosepiece, cover just as the gear itself. Ordinary cleaning shields your wellbeing as well as guarantees the gear last more.
On the off chance that you don’t perfect your machine it could prompt a chilly, lung contaminations and different ailments. Likewise on the off chance that you don’t perfect your machine, there are such a significant number of things that can transpire. For instance, the engine could get stopped up with gunk and victory.
As a rule, when you purchase another CPAP machine, you will get a client manual. The client manual contains guidelines on cleaning the gear. There are likewise a best CPAP cleaner you can buy. The greater part of these cleaners will slaughter 100% of germs and microscopic organisms in your supply, hose and, cover. These cleaners will clean your CPAP machine normally without water or unsafe synthetic compounds.
Below we’ve revealed one of the best CPAP cleaners and sanitizer, they’re excellent and easy on the pocket as well.
So, pull your socks up, and keep on reading…
Best CPAP Cleaner Reviews
SoClean cleaner is a gear that doesn’t utilize water for cleaning, rather it utilizes the ozone. The thing weighs 5.4 to 5.6 pounds and measures 8 x 7.3 x 8.7 inches. It doesn’t just perfect yet in addition offers robotized sanitizer for most extreme cleaning of your CPAP hardware. This cleaner is FDA enlisted, licensed and freely lab tried.
The bundle incorporates; 1 SoClean CPAP Cleaner and Sanitizer, 1Small Jug Pre-Wash (preceding first use), 1 Cartridge Channel, Check Valve gathering. 1 All-inclusive Infusion Fitting, 1 Space Attachment and 1 air conditioning Force Connector.
This incredible product is proficient, quick and successful approach to clean your CPAP gear. Guarantees hardware is spotless and dry inside 29-31 minutes. The machine utilizes protected and common initiated oxygen. To utilize simply place your cover in the machine, close the lead and following 29-31 minutes, it will be all perfect.
The machine has an inward element of 5.4 x 5.5 x 7.26 with those having an alternate models of the CPAP machines or diverse sort of CPAP cover, they should purchase a unique connector to upgrade similarity.
It obliterates one less than 100% of germs and microscopic organisms just as different pathogens in the hose, supply and cover (counting water inside). You don’t have to dismantle, use water or muddled and brutal synthetic concoctions to clean. The machine is sufficiently large to fir all veils from nasal to full mouth. It can likewise be utilized with or without a warmed humidifier.
The cleaning framework is mechanized and utilizes initiated oxygen saving money on cost and time. It is likewise sheltered as it inbuilt with security includes and has an inside channel that changes over initiated oxygen to breathable oxygen. Furthermore, it has a ground-breaking computerized sanitizer. The machine has littler impression, pointer lights and furthermore refreshed interface.
Key Features and Specifications
- Eminent connectors included.
- Works with all well-known rest hardware.
- After one-time arrangement, no compelling reason to dismantle gear day by day.
- No water fundamental.
- Multi-year producer guarantee.
This extraordinary item permits you to present the cover or the water humidifier chamber into the cleaner’s cabinet and inside 5 minutes the Lumin impeccably purifies the things. The Lumin is additionally ideal for sterilizing other individual cleanliness things, for example, the nebulizer, a portable amplifier, or child’s toys and frill.
The Lumin CPAP cleaner utilizes safe UV light to dispose of the considerable number of pathogens and microscopic organisms that are available on the things you place into the cleaner’s cabinet. UV light is a broadly utilized sanitation strategy in emergency clinic conditions and sterile spots. The UV light is the most secure option in contrast to other sterilization techniques that include high danger synthetic substances. So as to guarantee greatest security, the Lumin will close off naturally at whatever point the cabinet is opened-so as to ensure against presentation to UV light.
The Lumin CPAP cleaner will proficiently sterilize all your necessary things inside 5 minutes. At the point when you remove them from the cabinet, you can quickly utilize them. There is no compelling reason to permit the things to dry, or stand by 30 minutes until you can securely utilize your hardware. At the point when the cleaner flags the finish of the sanitation cycle, just take out your things from the plate and appreciate excellent treatment at any minute.
The best thing about the Lumin is that you can utilize it to purify different things than your CPAP gear a toothbrush, a listening device, your false teeth or a youngster’s toy. You can utilize the sanitizer to purify any necessary thing that securely fits into the cabinet of the more clean. Utilizing your sanitizer all the time will guarantee that you or your relatives utilize individual cleanliness things that are liberated from destructive pathogens.
Key Features and Specifications
- It will murder every one of the microscopic organisms and growths dwelling superficially.
- The plate inside the Lumin CPAP cleaner is aluminum covered.
- Try not to utilize the Lumin close to water sources.
- At the point when the cabinet is open, you can’t work the Lumin gadget. It naturally close off the UV light when the cabinet is opened.
This is a heap of 2 items, SoClean and a ResMed AirSense 10 Connector. It’s a quick, productive and safe CPAP gear. It is extraordinarily made for clients of ResMed AirSense 10. Within the chamber estimates 5.5 inches x 5.5 inches x x7.25 inches. The tem gauges 2 pounds and outside components of 7.5 x 6.8 x 8.8 inches.
This machine is one of the quickest, most secure and successful with regards to cleaning CPAP gear. It doesn’t require any dismantling when cleaning. The machine utilizes sheltered and normal methods for cleaning that is initiated oxygen. Has a major space within and comes outfitted with its own sanitizer.
It is anything but difficult to utilize, simply associating, setting the cover inside the chamber, close the top and SoClean wraps up. You don’t have to dismantle the hardware when washing, the machine will wash within and outside completely while still it is unblemished. The hardware will take just 30 minutes in the machine and it will be perfect.
Since the machine utilizes actuated oxygen and has a programmed incredible sanitizer which cleans 99.99% of any destructive microorganisms, microscopic organisms and shape, you are certain your CPAP hardware is completely cleaned. The sanitizer effectively associates with CPAP, VPAPA, BPAP or BI-PAP. The initiated oxygen strategy is utilized in housekeeping in medical clinics and inns and that is certainly a tried and safe method for cleaning.
The SoClean guarantees no dismantling of gear is important and it cleans every one of the parts remembering water for the supply, without evacuating the veil, hose or repository itself. The bundle of the item accompanies a connector included for SoClean and ResMed AirSense 10. The inside chamber has enough space to suit practically all veils with the exception of full face cover. Discover increasingly extraordinary items like this by looking at our manual for the best futon bedding for dozing.
Key Features and Specifications
- Additional cartridge channel unit and ResMed Airsense10 Connector.
- Incorporates SoClean Killing Wash.
- Marker lights all through the cycle.
- Left or right hose addition choice.
- Slaughters 99.9% of CPAP microorganisms, germs, and different pathogens.
This sublime cleaner is good with the other cleaners as well. Simple to charge, you get in any event 4 cleanings from one charge. You’ll adore that it’s compact and purifies all adornments, the tubing and unit at the same time. The ozone scent is insignificant and causes you to feel that your veil is perfect; doesn’t trouble you by any means.
This is like a great deal of CPAP cleaners out there however you like the reality it accompanied the plastic holder to place your cover in. So far appears to function admirably. Yet, the compartment ought to be somewhat bigger. Simple to utilize and the holder goes about as capacity for the pieces while not being used. The holder will likewise give some assurance when you need to take it in the not so distant future on broadened trip. Difficult to legitimize paying additional cash for different units when this is accessible for significantly less.
This exceptional item is amazingly simple to utilize. It appears to be successful, it causes you to feel great realizing that cover, saddle, tubing and machine are altogether cleaned without a moment’s delay. You can utilize this cleaner 4 or 5 times each week with the cleaner you want, the refined water store must be dry and you should put a carbon pack in the dry reservoir just as the cleaner box underneath the cover and saddle.
It’s advantageous not to need to disengage the tubing from the rear of the machine. The “all inclusive” connector for the tubing is somewhat troublesome, yet you simply keep tenderly changing until you get a tight seal.
Key Features and Specifications
- Calm when cleaning your CPAP gadget.
- Incorporates cleaner, sterilizing box, connector, charger, USB link, cleaning material, and guidelines to utilize it.
- One-button control that can sterilize your hose, veil, and machine inside 35 minutes and it naturally kills subsequently.
This cleaner is simply outstanding! Intended for home or travel use, it’s a smaller 4.6-inch-by-1.7-inch machine weighing just .5 pounds, fueled by a lithium-particle battery. Despite the fact that this machine is sleeker and better informed than any other time in recent memory, it’s not heavier, bulkier, or greater. It’s really more slender than the main model and doesn’t require the acquisition of an extra connector!
Utilizing a characteristic atom called ozone, the cleaner kills 99.9% of germs and microbes in your CPAP machine in just 30 minutes. Otherwise called actuated oxygen, ozone is a hotshot with regards to cleaning your machine’s tubing, veil and humidifier chamber.
At the point when another particle of oxygen is acquainted with an ordinary oxygen (O2) atom, the concoction component becomes O3, or ozone. Fundamentally, it makes an actuated, supercharged type of oxygen that is fit for oxidizing or wrecking different atoms effortlessly.
These particles incorporate microbes, making ozone an ultra-solid disinfectant. Truth be told, it out-performs both blanch and chlorine by and large, prompting its across the board use in water treatment plants, inns, emergency clinics, and cafés.
The best piece of the cleaning procedure? You don’t need to screen it. You can begin it, approach your day, and confess all machine, prepared to utilize that night.
When you press the catch, the machine will play out a 35-minute sanitation cycle before turning itself off.
It’s imperative to take note of that in spite of the fact that the ozone in VirtuCLEAN 2.0 is incredible, it doesn’t wait. It just takes 29-31 minutes for O3 to change over back to O2. We prescribe holding up in any event 44-46 minutes among cleaning and utilizing your CPAP machine to guarantee it’s prepared to utilize.
Key Features and Specifications
- It kills 99.9% of germs and microscopic organisms in your CPAP hardware in just 34-36 minutes.
- The new plan accompanies a LCD screen, commencement clock for cleansing cycle, adaptable update alerts, and overhauled pack for a 1-advance cleaning process.
- Rather than cleaning your CPAP machine by hand with cleanser and water, you can utilize the sanitizer.
- Perfect for homecare and travel use.
This impressive cleaner is a progressive and inventive CPAP cleaning gadget, which incorporates all the fundamental things to disinfect any kind of CPAP, BiPAP or even APAP gadget. With the assistance of Rest 8, you can disinfect the veil, the warmed or non-warmed tubing and even the water assembly of your gear. You can really sterilize every one of these things on the double and afterward appreciate an unadulterated and clean oxygen treatment session.
This product gadget accompanies a bigger measured pack, where you should embed all the CPAP adornments that you wish to purify. It is energetically prescribed to change this sack following 3 months of constant use.
The magnificent product utilizes ozone so as to clean all your CPAP extras. It is a little, jazzy and minimal gadget ideal for being taken even on your movements. Along these lines, you can keep up all your CPAP extras perfect and purified without the utilization of any cleansers or brutal synthetic substances.
This astonishing cleaner accompanies an amazingly easy to use plan. You should simply unplug the hose from your CPAP gadget and afterward basically plug it into the port that you can discover inside the channel sack. You won’t require any uncommon connectors, on the grounds that the port inside the sack fits all electric indicative hoses, the standard PAP hoses or any warmed hoses.
As a following stage, you need to close the sack, while your hose and cover are inside. Next simply plug the Rest 8 primary unit to the port you can discover outside the pack and press start. The gadget will begin the cleaning and sanitation process, which last roughly 60 minutes. At the point when the sanitation procedure is done, the gadget will kill. It is significant that you don’t open the pack for 1 hour after sanitation has finished.
Key Features and Specifications
- The item was structured from the beginning to be a cpap cleaner and sanitizer that is versatile and for home use.
- You can utilize it while resting or doing some other action it won’t upset.
- It is good with any CPAP and BiPAP in the market.
- This combo will likewise incorporate 2 citrus II wipes and 2 tubing for substitution.
The astounding VirtuCLEAN is a little, lightweight and versatile CPAP sanitizer that utilizations ozone to execute 99.99% or all germs and microorganisms that are ordinarily found in CPAP Gear. In the event that CPAP gear isn’t getting cleaned routinely germs, microbes and shape can figure within the gadgets and make you debilitated.
A great deal of issues with ordinary hardware is that it requires some investment to clean and should be cleaned regularly. VirtuCLEAN takes care of the issue of physically cleaning by essentially interfacing the PAP tubing to the VirtuCLEAN gadget, place the cover in the VirtuCLEAN sack and ozone improved territory, press the catch on the gadget and let it run for 30 minutes.
This heavenly item will consequently close itself off once it has experienced the 30-minute cycle of disinfecting and cleaning. To clean your humidifier chamber void water from the chamber at that point interface the tubing that was associated with the cover to the humidifier chamber. In an additional, 30 minutes your tubing and humidifier will be cleaned.
This imaginative CPAP Cleaner deals with everything for you. The item utilizes no cleanser, no water and no cleaning arrangements! VirtuCLEAN not exclusively does the best employment cleaning your CPAP machine however it additionally cleans very unobtrusively. The VirtuCLEAN gadget is peaceful and works quietly while other cleaning gadgets can be noisy and problematic.
Key Features and Specifications
- Multi Month Guarantee.
- Programmed Cleaning.
- Requires NO Upkeep.
- Multiyear battery Life.
- Kills 99.99% of Germs Shortly.
This stunning machine is intended to give you proficient quality sterilizing comfortable. This machine cleans your CPAP veil utilizing ultrasound and water joined with Sani Bot’s SaniTabs. You will get a 60-day supply of SaniTabs with your buy too.
At the point when you utilize the Sani Bot CPAP cleaner, oils, soil and different deposits will be expelled from your CPAP veil. The cleaning procedure doesn’t leave a scent on your veil, so you won’t have to stress over any unsavory scents when you attempt to rest.
The ultrasound innovation used by the Sani Bot guarantees that your cover will be spotless. With UV cleaners, the UV lights can’t venture into all the little hole that the ultrasound innovation of this machine can.
Instead of investing your valuable energy cleaning your CPAP machine, you can set the Sani Bot up, and afterward proceed onward to different things you have to do. All you have to do to begin the machine is placed water in the tank, embed the cleaning tablet, and submerge your cover in the water. At that point, you simply set the clock and continue ahead with your day.
The Sani Bot tank has an over two liter limit (9.6 x 5.9 x 3.0 inches), so it is perfect with most CPAP veils. This Sani Bot accompanies a three-year constrained makes guarantee, a 90-day unconditional promise, and a 100% quality assurance.
Key Features and Specifications
- The Sani Bot is the main CPAP cleaner available that will genuinely clean your hardware.
- It will expel all germs and debri.
- The Sani Bot offers genuine cleaning without any cerebral pains.
- Sani Bot utilizes an uncommonly designed cleaning arrangement and best in class ultrasonic transducers.
This CPAP cleaner is very marvelous. It is extremely little, battery-powered and helpful. Numerous individuals have utilized a CPAP throughout the previous 4 years and have never acquired a CPAP cleaner since they are so costly. They didn’t know precisely what’s in store for an item that was under $150. For reasons unknown, this little machine works very well.
You should simply interface the hose to the machine and afterward to a little sack, place your cover inside the pack, turn it on and let it run. We contemplate 29-31 minutes and afterward it will naturally kill. The machine utilizes ozone air to execute the entirety of the germs.
On the off chance that you stand the garments to the machine when it’s cleaning you can really smell the perfect ozone air. It’s truly cool. We would prescribe this item to anyone who needs a CPAP cleaner.
Lion’s share of individuals utilize the Hybernova for other machines. Individuals simply love this machine! It is so natural to utilize, lightweight, watch the item video which is under 5 minutes; the brief video clarifies effectively and unequivocally how to utilize it. You can even idea of voyaging, the sack likewise functions as the carryall for the machine and parts.
Key Features and Specifications
- CPAP cleaner is so natural to utilize, chops down time spent washing by hand.
- This item is incredible in light of the fact that it implies you won’t become ill from germs living in gear.
- It will take care of business each time you use it.
This product is top-notch! It arrives in a very much developed box for capacity when not being used. The unit itself is likewise very much built of plastic and has an outlet outwardly to associate the hose to.
The unit has a Double Mode UV/Ozone Cleaning which permits you to clean the cover with UV on the off chance that you don’t need the ozone smell.
What we truly like is the capacity to sterilize a huge number of different articles by setting in the container and utilizing the UV Mode.
The proprietors manual just records cleaning the CPAP, yet the Amazon site records different items also.
Setting this gadget is excessively simple! It truly take close to a moment or 2 to set up. Everything you do is plug it in, put your head gear inside and in the event that you need to clean the tubings also you can connect that outwardly. On the off chance that it doesn’t fit it accompanies two or three connectors. At that point press a catch and that is it. Simply hold up until it experiences the cycle.
Key Features and Specifications
- UV light is the most straightforward and quickest approach to sterilize CPAP covers and extras.
- The UV light will clean the outside of the cover.
- Not at all like other CPAP Sanitizers, Q5 requires no channel to supplant.
CPAP Cleaner – Buyer’s Guide
Before you make a decision, it is better that you know each and every single thing about a CPAP cleaner. You should know what to look for in a CPAP cleaner. If you know, then it’s great, but if you don’t, then don’t worry.Below we’ve revealed the most important things you should look for before buying a CPAP cleaner.
Hand washing your CPAP is tedious on the off chance that you do it appropriately and require some investment to attempt to wash every one of the regions where germs gather. It can undoubtedly take 10-15 minutes with your hands on the hoses, veil, and high temp water.
CPAP cleaner machines are generally a lot quicker. UV-C machines are the quickest with a five-minute normal run time to get your veil clean. Ozone cleaners are the following quickest technique. These take 20-40 minutes, however then you should leave the veil in the cleaner without opening it for two or three hours after purification to permit the ozone time to scatter.
Check the Compatibility
Before you purchase a CPAP or BiPAP cleaner, make certain to affirm similarity between the CPAP cleaning gadget and your rest apnea treatment machine. Most sites have data that rundowns brands, makes, and models of CPAP/BiPAP machines and informs you as to whether a connector is required.
Machines with heat hoses and humidifiers are the ones well on the way to require a connector. Most CPAP cleaners incorporate a connector for nothing, however you have to indicate that you need it when you request. In the event that the site doesn’t have any information or FAQ page, it merits a call to the organization before you request.
In the event that you travel regularly, you may favor a movement size CPAP cleaner. These work as viably as full-size cleaners however aren’t a problem to bring. Travel CPAP cleaners run off batteries or USB, and some are as little as a half-pound and can fit in the palm of your hand.
Convenient cleaners utilize a pack and hose to mix the cover with ozone to refine it. You may need both a full-size model to leave at home and a movement model for when you get-away or in case you’re out and about regularly for business to expand accommodation and convenience.
Trial Is Must!
A few organizations will offer preliminaries for you to test the gear, however not all do as such. On the off chance that this is your first time purchasing a CPAP cleaner, you might need to search for a hazard free rest preliminary to perceive how it performs. Most offer a 30 to 45-night preliminary, however it fluctuates by brand.
Some are noisier, and some are not as helpful as others, so the rest preliminary is basic. In the event that you do restore the gadget, ensure you maintain the preliminary conditions to get a discount. Most producers expect you to pay to dispatch the gadget back. Furthermore, for the most part your unique delivery charges (assuming any) won’t be discounted.
Look at Finance
On the off chance that paying out of pocket in a single amount isn’t your inclination, a few makers offer financing programs. Those that do offer a six to year installment plan. Some will check your credit (Bread) while others may not.
It relies entirely upon the maker’s account program. Contingent upon the loan fees, you might be in an ideal situation purchasing on your Mastercard and managing that financing cost instead of one from the CPAP maker’s site. On the off chance that it sells on Amazon, you might have the option to get acknowledge there also.
Very Important – Warranty
Most makers offer a guarantee on their items, however this spreads just blunders in the assembling procedure, basic imperfections, or harm during transportation. It doesn’t cover mileage or fulfillment issues.
Make certain to painstakingly peruse the terms and conditions on the producer’s guarantee before you purchase so you go into it with eyes all the way open. Run of the mill guarantees run from one to five years yet change by brand long, terms, and how they work. Check guarantee and FAQ pages on the brand’s site for more information.
Transportation rates differ by creator. A few brands offer free dispatching all year while others offer free sending advancements consistently. On the off chance that you request from Amazon and have a Prime participation, conveyance is incorporated with your enrollment.
Universal purchasers on Amazon should check accessibility on their nation’s neighborhood Amazon site. SoClean, for example, boats to the US and Puerto Rico. On the off chance that the dealer ships globally, you can hope to pay improved delivering rates. APO/FPO are generally secured under free US shipping arrangements.
Clean on time!
There are three essential strategies for cleaning a CPAP machine. Two are progressively advantageous and take less time in addition to offer better outcomes. Be that as it may, any of the three are desirable over not cleaning your machine which can put your wellbeing in danger.
UV Light Strategy – UV-C works at a range that murders most microorganisms and germs. It is utilized in ambulances and other high-contact territories where germs and microscopic organisms are normal.
Ozone Strategy – Ozone (initiated oxygen) executes 99.99% of microbes and germs. Medical clinics and water treatment offices utilize this technique for sterilization and sanitization.
Hand Washing – This is the least exorbitant yet in addition the least successful strategy for eliminating germs in your CPAP. In addition, now is the right time expending and may not offer the medical advantages you need.
Have the Cleaner?
There are two gadgets to help those with interminable obstructive rest apnea: CPAP and BiPAP. These work distinctively yet both should be cleaned to remain in great working condition and to guarantee you’re not presented to unsafe germs and microscopic organisms by means of your machine.
CPAP represents constant positive aviation route pressure. A CPAP machine powers air into your throat to help shield your aviation route from crumbling as you breathe in while resting. There are three kinds of CPAP machines ordinarily endorsed to rest apnea sufferers.
Nasal Cushion – Fits cozily under the nose and seals around your nose.
Nasal CPAP Veil – It covers only your nose, so it’s more agreeable than a full cover.
Full-Face CPAP Veil – It covers both your nose and mouth.
BiPAP is the other cover treatment for rest apnea and represents bilevel positive aviation route pressure. BiPAP utilizes lower pressure air than a CPAP machine. It conveys oxygen at two degrees of weight with a more prominent amount of oxygen pushed during inward breath than exhalation.
As you take in and out, microbes from your mouth and nose stream into the cover, nose pieces, and hoses of your gadget. These can rot and develop leaving an unfortunate domain where germs can thrive. An unclean CPAP may build the danger of upper respiratory sickness and other disturbing wellbeing impacts.
At the point when you have a warmed hose, that may build the hazard by giving a warm reproducing ground to germs. Appropriately sterilizing your CPAP machine eliminates germs that may somehow or another lead to ailment. You can hand wash your gadget, yet there’s no assurance you will do it appropriately, in addition to it’s badly arranged.
With a CPAP cleaner, you can undoubtedly sanitize your rest apnea treatment gadget as frequently as you need with no issue and without occupying your time. Next, we’ll take a gander at the highlights that separate CPAP cleaners, so you can pick the one that is best for your way of life.
This is a stationary CPAP cleaner that is appropriate for use on the off chance that you plan to just utilize the cleaning machine at home. The SoClean cleaning pack contains the machine itself and a connector. This cleaner can execute the unsafe microorganisms and germs in your CPAP veil totally. It likewise goes the additional length of cleaning the store and cylinders, and it doesn’t require water.
This CPAP cleaner additionally doesn’t utilize any cleaning synthetic compounds as it contains normal initiated oxygen which attempts to sterilize and purify your CPAP veil.
You won’t have to dry out your cylinders since this cleaner in the wake of cleaning doesn’t spotless with water, and you can utilize them following you clean them. The way toward changing the channel is basic and clear; therefore, you won’t confront any issues with utilizing it.
Utilizing this unit to clean your CPAP cover takes two hours which is quite a while, however the nature of cleaning is choice. We wouldn’t fret hanging tight for two hours on the off chance that we realize that the cleaner will clean my veil 100 percent. It additionally has a LCD which shows how much time you have left to have your CPAP cover cleaned.
This model is intended for home use as it isn’t sufficiently convenient to be hauled around. You plug it to an electrical plug and clean from the spot. It is very massive, and you may need to make a space for it in your home.
Regardless of whether you decide to purchase the CPAP machine cleaner that we suggested here, it’s profoundly encouraged to do a careful CPAP machine cleaning routinely. Obviously, these wipes do what they state. They can evacuate the earth, oils and, oil from your veil. It sanitizes your veil as well. At the cost, the suggested CPAP cleaner is justified, despite all the trouble.
On the off chance that you can’t perfect your machine consistently, you can at present clean it on a week by week premise. The veil and tubing need a profound cleaning in any event once in seven days. This will guarantee it is residue, earth, and microscopic organisms free.