TRUE HEPA 12 Pack of filters for the SMILEY filter cartridge ONLY.
These filters are die-cut specifically to match our cartridge size. They measure only 35mm x 35mm and WILL NOT work with other manufacturers' or homemade masks.
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--WARNING-- These are substitutes for disposable face masks and meet strict filtering standards for airborne particulate only. The MASKS are NOT RESPIRATORS and can not be used for Chemical, Paint, Smoke or other filtering. DO NOT USE AS A REPLACEMENT FOR NIOSH/CDC/FDA APPROVED CHARCOAL FILTERED RESPIRATORS.
True HEPA Replacement Filter 12 Pack
36mm x 36mm x 3mm TRUE HEPA filter 3 pack.