Filters typically last 3 to 4 months of regular, 8 hours per day use but are dependent on what kind of use. Consider a subscription to always maintain a safety stock of filters.
Compatibility:
AIR filters are compatible with AIR Super Mask.
AIR2 filters are only compatible with AIR2 Super Masks. AIR2 filters have 40% more filtration area for the inlet and 100% more filtration is on the outlet of AIR2 Super Mask than original AIR filters. AIR2 Filters have at least a 3-week lead time. Mirroring the lead time associated with AIR2 Super Masks.
United StatesSpace cadet
I purchased this to use any time I’m in public, and it slid around on my head too much for it to be practical. I also had to put my hair in a pony tail or the sliding around caused my hair to cover my face. This made it very cumbersome.