Reusable Foam Filters for Puritan Bennett 420G, 420S, 420SP, 420E CPAPs and 425 Bilevel (1 Pack)
420 and 425 Series Foam Filters (1 pack) Overview
The Reusable Foam Filters for Puritan Bennett 420G, 420S, 420SP, 420E CPAPs and 425 Bilevel (1 Pack) is a single reusable foam filter for the following machines by Puritan Bennett:
- GoodKnight 420G
- GoodKnight 420S
- GoodKnight 420SP
- GoodKnight 420E
- GoodKnight 425 Bi-Level
- GoodKnight 425 ST Bi-Level
Image of compatible 420 Series Machines by Puritan Bennett:
This Product Includes...
Filter Materials: Polyurethane
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Tips for inserting filters:
- If you are using the disposable white filters, insert it into the filter area first, mesh-side facing in, towards the device.
- Insert the gray foam filter into the filter area, on top of the fine filter.
The site is great and though this filter was a little pricey for just one, it fit perfectly, like original equipment into my CPAP machine. I will be coming here for all future needs until I find a better solution. more...