CPAP BACTERIAL FILTER (One) - For Allergy Sufferers - Also quietens down the noise from CPAP

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Permalink Reply by Kath Hope on April 15, 2012 at 21:31

Thanks for that Pete.  My daughter has asthma and terrible problems with her sinuses, so I'm thinking we should certainly change her bedroom from carpet to laminate.  Fortunately, I don't suffer allergies, and my nose is great now since my operation, but I'll definitely change our room from carpet next time we decorate.

Pete Kemp said:

I can't comment on filters (too new to cpap) but I can about carpets v laminate flooring. I switched from the former to the latter to help tackle my often blocked nose (I have perennial rhinitis due to an allergy to house dust mites). It made a massive difference and my nose is much less blocked up at home than it used to be. There's so much less dust with laminate wood flooring when compared with carpets. I would recommend it to anyone with a similar problem.

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Permalink Reply by snoreyhead on May 8, 2012 at 17:12

Having used for one month the CPAP BACTERIAL FILTER (One) - For Allergy Sufferers from the Hope2Sleep Shop I am reporting back on my findings. It had no impact on my blocked nose which has now been diagnosed as a medical issue requiring intervention. I averaged 6.11 hours sleep per night according to the sleepyhead data readings  for the period of use, which equates to 226.07 total filter hours. It certainly has reduced the amount of contaminated air that I would have been breathing had I not had the filter installed, which is surprising after only a months usage.

I carried out a noise test with a DB meter on my Phillips System One RemStar Auto with A-Flex, with and without the Humidifier attached. In the intial ramp mode I found that with the humidifier attached there was insignificant reduction in the the noise level. With the humidifier detached the filter had the impact of reducing the noise by 3db.

Attached are photographs of a comparison between an unused filter and the filter evaluated.

In my personal opinion I consider the filters to be a worthwhile investment and depending on the environment could probably be used for a lot longer that the months basic evaluation.

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Permalink Reply by Tigers Fan on May 8, 2012 at 20:22

The purpose of a filter is to get dirty. Though it may not look pretty, there is no need to change or clean a filter until the pressure drop across the filter becomes too large to be acceptable.

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Permalink Reply by snoreyhead on May 8, 2012 at 20:51

I agree with your comment, however as there is no way of measuring the filter resistance it is important to air on the side of caution and replace the filter before it restricts the effectiveness of the machine.

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Permalink Reply by Tigers Fan on May 21, 2012 at 11:06

You are not right on two counts in that statement, snoreyhead. For cost effectiveness, you need to replace the filter after it restricts the air flow from the machine. Just by fitting the filter, brand new and pristine, you restrict the air flow. But how to tell when the time has come to channge the filter? I tested this to beyond the time and it is very obvious.

 

With a new filter - or without a filter at all - note the time it takes for your machine to kick in automatically after you have donned your mask. After a period of use of the filter, you will notice that time interval getting longer and longer. Eventually, as happened to me last night, the machine fails to notice you have put on your mask and does not start automatically. I'd argue that that is the point to change your filter, if not the night before except you wouldn't know.

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Permalink Reply by June Ann Rymer on June 16, 2012 at 19:29

I also bought CPAP Bacterial filters from Hope2Sleep shop and the difference was immediate!!  No sneezing or runny nose in a morning.    I have not noticed any difference in noise level but then my machine seems quiet anyway.  

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Permalink Reply by Kath Hope on June 16, 2012 at 21:15

I was so pleased to hear this June - an instant fix :)  Hopefully, you'll start to have really good CPAP therapy now.

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Permalink Reply by Julie Harrison on March 21, 2013 at 19:13

I recently purchased the CPAP Bacterial Filter from the Hope2Sleep shop and would greatly recommend this product. I have very severe allergic rhinitis and for the first time in years I woke up with a clear nose! My nose swells so bad that I cannot breath through it at all. I will definitley be buying this product regularly, at last a product that really works!

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Permalink Reply by Deborah Wainwright on March 25, 2013 at 21:43

If you continue to suffer a blocked nose then you may need a humidifier .... Glad the filter has made things quieter for you

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Permalink Reply by snoreyhead on March 30, 2013 at 7:10

Thank you Deborah for your comment. I do have a humidifier and heated hose also had my turbinates reduced but still unfortunately suffer from a blocked nose most nights. The hospital state that it is not an issue that can be changed for me, and providing I have one nostril open not to concern myself about it.

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Permalink Reply by Kath Hope on March 30, 2013 at 10:54

Yes, and I think Julie has a humidifier too.  The problem seems to be the fact that even with the machine's own filters, dirt still gets past them and into the mask without the bacterial filters, and for some people (especially those with allergies, asthma, rhinitis etc) the bacterial filters are essential.  I use them all the time now - not because of allergies, but because I see the dirt that's picked up.

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