To block even the smallest of particles, the one-pack of Reusable Black Foam Filters for Apex XT, ComfortPAP, Puresom, and Zzz-PAP Machines is made of polyurethane foam.
Designed for the Apex XT, ComfortPAP, Puresom, and Zzz-PAP Machines, the filter is washable and reusable and should be changed every six months.
What's Included: