These Standard Disposable Filters from ResMed are made of polyester fibers. They are compatible with all S9 Series CPAP/BiLevel machines, all AirSense 10 Series CPAP Machines, and all AirCurve 10 Series BiLevel Machines.
Usage Information:
These filters are disposable and should be changed regularly when soiled. For full usage and care instructions please review the user manual that came with your machine.
