ResMed S9 and AirSense 10 Style Hypoallergenic Disposable Filter, 1, 2, 6 or 12 Pack
APAR008CF2107HA-1PLFilters are the first line of air filtration defense for your CPAP system.
Filters are compatible with Airsense 10 and S9 CPAP Machines only!
*Filters should be replaced when dirty or once a month.*