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[Equipment] Speaking of filters
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foss Offline
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Post: #1
Speaking of filters
I will be visiting my permanent home in Texas next month. Two dogs reside there (along with other family members Wink ). One, Bella the princess, sheds a lot of fur/hair that seems to penetrate everything! Even though the house is cleaned and vacuumed often, I always have to decontaminate everything upon leaving. Both dogs are banned from my bedroom but I am sure my machine will be exposed.

Has anyone ever used a pre-filter over the intake inlet to prevent your machine from engorging dog hair? !!! I was thinking of something not too dense that might be taped in place temporarily.

Ideas for this crazy problem?

Thanks, Jeff
(This post was last modified: 06-24-2015 09:03 PM by foss.)
06-24-2015 09:02 PM
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PollCat Offline
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Post: #2
RE: Speaking of filters
While I've never considered doing such a thing, I would think that a small piece of a furnace filter would work for this purpose. Even though we have three cats, I've never found any cat hair in the machine's primary filter, so I'm not sure that a pre-filter is really needed.


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06-24-2015 09:51 PM
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Adoniscmj Offline

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Post: #3
RE: Speaking of filters
I have a similar CPAP machine and there are two different filters you can get. The filter that comes with the machine is just a dust filter nothing more. Needless to say it is a crappy filter. The other filter you can buy is the hypoallergenic filter that has a much finer weave and is basically a hepa filter. This is the one I use and it works really well. Get some and try it for yourself.
06-25-2015 02:03 AM
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quiescence at last Offline

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Post: #4
RE: Speaking of filters
I have never seen any cat/dog hair in my main foam filter either.

I do recommend the fine filter, which is placed underneath, and after the pre-filter. The fine filter is generally not cleaned, and is disposed of once used.

ONE MONTH USE

[Image: VYX9iku.jpg]

THREE MONTH USE

[Image: Lrguo04.jpg]

QAL

ps. the pre-filter discussed sounds like it may catch your heavily saturated dog hair application. If I had this situation, I think I would try to rubber-band a coarse low resistance air filter material over the inlet. search for "hogs hair natural fiber filter" or "hogs hair replacement" or "coarse polyester filter".

Dedicated to QALity sleep.
You'll note I am listed as an Advisory Member. I am honored to be listed as such. See the fine print - Advisory Members as a group provide advice and suggestions to Apnea Board administrators and staff concerning Apnea Board operation and administrative policies. Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment.
06-25-2015 05:51 AM
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OpalRose Offline

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Post: #5
RE: Speaking of filters
Hi QAL,
I use the same white filters, and change then the first of every month.
Mine look like your 1 month photo, and I don't own pets.

OpalRose
06-25-2015 07:13 AM
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GrammaBear Offline

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Post: #6
RE: Speaking of filters
(06-25-2015 07:13 AM)OpalRose Wrote:  Hi QAL,
I use the same white filters, and change then the first of every month.
Mine look like your 1 month photo, and I don't own pets.

This happens at my house too, especially during Spring and Fall months when we have the windows open in our bedroom. Since we live in the country there is sometimes a lot of dust etc. floating around. When we had a dog, I usually had to change the filter on my cpap more often.
06-25-2015 07:53 AM
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OpalRose Offline

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Post: #7
RE: Speaking of filters
(06-25-2015 07:53 AM)GrammaBear Wrote:  
(06-25-2015 07:13 AM)OpalRose Wrote:  Hi QAL,
I use the same white filters, and change then the first of every month.
Mine look like your 1 month photo, and I don't own pets.

This happens at my house too, especially during Spring and Fall months when we have the windows open in our bedroom. Since we live in the country there is sometimes a lot of dust etc. floating around. When we had a dog, I usually had to change the filter on my cpap more often.


Hi GB,
I was surprised when I first pulled out the white filter and it looked gray! Ugh!

OpalRose
06-25-2015 08:00 AM
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lmoretti Offline

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Post: #8
RE: Speaking of filters
If it's dog hair that's the issue (and not the dander) then I'd get some aluminum window screen and form a little cage to go in front of the air intake. The trick with filters is you want MUCH larger flow rate on your filters to lower flow resistance.
06-25-2015 08:25 AM
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PaulaO2 Offline
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Post: #9
RE: Speaking of filters
Wow. Such overkill (in my opinion). Put the CPAP up off the floor. Done.

If the dog is not allowed in the room, the only fuzz coming in is what you bring in on your clothing. There's not going to be that much, if any, sucked into your filter. It's not a window fan, it's a wee little blower sitting by the bed.

I have dogs, cats, and an old house with high ceilings. We run window fans vs AC. I live in a rural area. My critters are everywhere, including my bed. I've looked inside my old S9 Escape (as in I took it apart a while back) and there were no critter fuzz inside the machine. I've found some on the filters, sure, but not that many.

You probably breathe in more dog dander and fur through your mouth and nose just living in the house than your CPAP ever will.

PaulaO2
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
06-25-2015 11:04 AM
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foss Offline
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CPAP Software: ResScan SleepyHead

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Post: #10
RE: Speaking of filters
Thank you for the great replies. I will purchase some of the HEPA filter and use the standard filter as a pre-filter. Princess Bella shakes and hair flies everywhere. You can really see it when she stands in front of a sunlit window. I'm not particularly bothered by the air myself, I just don't want it inside the working parts of the machine.

Thanks, Jeff
(This post was last modified: 06-25-2015 08:11 PM by foss.)
06-25-2015 08:11 PM
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