For use with the Devilbiss 9000, 9001, RPM Auto Adjust and RPM BiLevel machines, these reusable pollen filters come 4 per pack. For the Devilbiss 9000, 9001, and RPM Auto Adjust CPAP machines, and the Devilbiss RPM Bi-Level machine.
Foam pollen filters are an essential component to your CPAP therapy due to their ability to remove irritating dust and pollen particles from the air. Not sure which CPAP filters work with your CPAP machine? Please contact CPAP Supply USA for help!