Nispira CPAP Inline Filter Viral for BiPAP 12 12 Count (Pack of 1), Clear

Manufacturer ‏ : ‎ Nispira. These inline filters have 22 mm OD/ 17 mm ID on one (Tubing) end and 25 mm OD on the other (Machine) end. It fits standard tubing with outlet size 22mm. We are always striving to provide you with the best service, and your support is greatly appreciated.

eBay