The North by Honeywell Air Purifying 7580P100 filters provide respiratory protection against aerosols by removing dusts, mists, fumes, fibers, and other particles. Filters do not remove gases or vapors, or correct for oxygen deficiency. North Safety P100 Particulate Hepa Filters provide 99.97% Minimum Filter Efficiency. Typical applications include but are not limited to asbestos or mold removal and lead abatement. Order includes (1) Pair of 7580P100 Filters per package. Compatible with North 5400, 5500, 7600 and 7700 Series Masks.