Replacing your CPAP mask?
To block even the smallest of particles, the one-pack of Reusable Foam Filters for Respironics Aria, Virtuoso, Duet, and Quartet Machines is made of polyurethane foam.
Designed for the Aria, Virtuoso, Duet, and Quartet Machines, the filter is washable and reusable and should be changed every six months.
What's Included: