AG Industries -
These reusable foam pollen filters are designed for use with all GoodKnight 420 Series CPAP Machines and GoodKnight 425 Series BiPAP Machines.
Covidien, Puritan Bennett -
M-314600-11 (Replaces Part M-314600-00)
The H2O Replacement Water Chamber is for use with Puritan Bennett's H2O Heated Humidifier. Each chamber comes with a Coupling used to attach the chamber to the CPAP or BiPAP machine.