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AirFit F20 homemade Mask Liner
AirFit F20 homemade Mask Liner
First off, I love the F20 FFM, however I found that after a couple of months, it just starts to leak and wakes me up during the night when you get that brrpppp sound from the side of your face.
I have tried suggestions from the mask primer, I wash and use cpap wipes, I just have a hard time getting it to seal properly over my cheek area. Funny thing is, if I open my mouth it will stop the leak, however mouth breathing seems counter intuitive. 

Anyways, I searched online and came across mask liners but they were very expensive for what they are. So, I decided to try to make my own version last night and see how that would work.

It actually worked much better that I thought it would and I did not have to adjust for that brrppp sound leak at all. First in a while. Strap tension was even just a bit loser than without the liner. I did have a tiny bit of leak around the eyes initially but then moved the cover back more at the top so that there was more silicon available on the nose bridge.

Basically, I took a never used pair of dress socks and cut them into 3 -1/4" tubes and just placed them over the mask as shown in photo.

There was no itching, scratching or annoyance, nothing  It was even out of my visual as well. I did notice that the edge of the material did leave a thin red line where it contacted my face, the same way the straps do.

simple easy mode that might help with some leaking for some people. I figure it must just put enough pressure on the outside silicon walls to keep them from flapping so to speak.

I think I may play around with the sock material. Maybe try a felt or flannel or even some type of nylon or spandex material to see which is better. Perhaps even fold ends over and sew them to make a nicer edge that will not be pron to coming apart once I wash these. 

For the price of a pair of socks, it is worth the try compared to what they cost on amazon or elsewhere.

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RE: AirFit F20 homemade Mask Liner
Oh wow! That's cool!!!

I'm totally going to have to try that... but on some other mask with headgear that I like.
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RE: AirFit F20 homemade Mask Liner
That's such a great, simple solution!

I would like to put something between my skin and the plastic parts of my mask that touch my cheeks, but my hands aren't up to sewing due to arthritis. (My first thought for how to make a cover involved sewing.) Your way is very good and should be possible for almost anyone. Socks are available in almost every kind of fiber, too.

I want to use silk, which should help prevent red marks and is especially gentle for skin, but it may not be stretchy enough the way your socks seem to be.
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RE: AirFit F20 homemade Mask Liner
Patent it!  It's a great idea!
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RE: AirFit F20 homemade Mask Liner
Kudos on innovative concept. Sounds like you get good results that others can emulate.

Standard OSCAR Chart Order
Mask Primer
Dealing With A DME
Soft Cervical Collar Wiki
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RE: AirFit F20 homemade Mask Liner
I wiil try it on my F20 airtouch. I have oily skin and the oil degrades the foam. 


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RE: AirFit F20 homemade Mask Liner
Second night in with sock mod and no leaking. Smile I actually think I woke less during the night. AHI back down below 2, (1.8) and I raised my EPAP from 13.4 to 14 just to see how the extra pressure felt. Felt great.

The only thing I noticed was in the second photo, showing the sock coming around on the silicon itself, that pic is a little misleading. When I have it on I noticed that I have the sock completely covering the silicon on the sides. and bottom and a little silicon showing on top. I will put up another proper photo after work today.

Would really like to know if this does work for any one else. Keep any updates coming.
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RE: AirFit F20 homemade Mask Liner
3'rd night in a row and not on bbrrrpppp to deal with. Happy camper.
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RE: AirFit F20 homemade Mask Liner
What a great idea.  I have the same mask and I have the same bbbrrrppp on the side of my mask, usually in the early morning.  I have been solving the problem by turning the machine off for a minute, then back on again. By doing that, it resets  the pressure from the titrated up pressure, to the lower starting exhale pressure.  

I have tried tightening the mask straps, but for some reason that doesn't work-it just makes the mask more uncomfortable.
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RE: AirFit F20 homemade Mask Liner
That sounds exactly like my scenario to the T. So far the simple sock fix has worked like a charm and no more mask farts waking me or my wife and I am waking up less during the night. Will upload an updated photo to properly reflect how it goes on as the second photo was not right.
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