June 10, 2008
 (5 out of 5) by Sally G, CT
"This product works very well. It would be great if they could make one using the plastic piece with a replaceable filter."
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Bacteria Filter
May 02, 2008
(4 out of 5) by Larry D, Media, PA
"I'm not sure how I can tell if it really traps bacteria from entering my lungs. It's one of those things you have to accept on faith. It would have been a good idea however, to include some directions on how to install it. I first attached it to the outlet of the machine but got a load whistling. I moved it to the inlet of the mask and the noise greatly decreased."
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April 15, 2008
(5 out of 5) by Robert P, Littleton, CO
"No problem with them"
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December 21, 2007
(5 out of 5) by Steven K.
"Great Additional Filtering"
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October 06, 2007
(4 out of 5) by ervin a.
"they work fine. They are getting expensive. I am Not sure I will continue using them."
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Rated 4.5 out of 5 by 15 cpap.com customers. 
