These Foam Diffusers are designed for use with the Diffuser Elbow available for all FlexiFit 405 (HC405), FlexiFit 406 (HC406), and FlexiFit (HC407) Nasal CPAP/BiPAP masks, and all Oracle (HC451 & HC452) Oral CPAP/BiPAP Masks. Each pack includes ten foam diffusers.
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Fast shipping. Great deal.
Written by paulscramer1960, 2018-04-16
Very prompt service and a great product.
Written by ALKAUFFMAN210, 2018-01-31
Filters that work
They are easy to take part and to load and they work great and the price is good!
Written by bigdofwi, 2017-12-11
So sick of the whistling noise
These wont seal right and they're driving me nuts
Written by Stevie, 2015-03-05
a must for muffling the noise. good price.
Written by marietta, 2015-01-11
These are much needed. I wish there was a better way to get them. The cost plus the shipping if these are all you need seems high. Maybe if there was a filter you could wash and replace.
Written by Steve, 2014-01-23