ResMed S9 Hypoallergenic Disposable Filters, 4 Pack

This filter is for use with the S9 line of CPAP machines, which do not use reusable foam and disposable fine filters like other machines. The standard filter is a fibrous material that wards off large particulate matter like hair or dander. 

INCLUDES:

4x Hypoallergic Filters (per pack)