3M  P100 Filter featuring exceptional 99.97% filter efficiency renders lightweight, Easy breathing comfort and versatile protection against many oil/non-oil based particulate contaminants. Filter measuring 4.3" X 4.3" is used in a variety applications cleaning, demolition, facility maintenance, automotive, construction, food and beverage manufacturing, manufacturing and more. Filter is compatible with 6000 series Facepieces or 7000 series Facepieces with bayonet filter holders.