To block even the smallest of particles, the one-pack of Disposable White Fine Filters WITH TAB for Respironics M Series is made of polypropelene and acrylic fibers.
Designed for the Respironics M Series, the filter is disposable and should be changed every month.
I had contacted my CPAP supplies provider and after numerous "holds" and "disconnects", I gave up. I found your... more...
Thought I was ordering a 6-pack not a single filter. Confusing.
I don't have to change this type filter often, but I like having in on my machine.