Available in packs of 1 or 2 from Respironics or, 2 packs of our high quality Value Brand.
These replacement reusable pollen filters only fit the Respironics REMstar of CPAP and BiPAP. They are similar in shape to the smaller size version for the REMstar M Series CPAP and BiPAP, but are not interchangeable.
Ultra-fine Filter 3-5/8" x 1-5/8" (92 mm x 41 mm).
Respironics Parts Numbers: 1001389 or 1005964.
