North® by Honeywell Filter Pad, For Use With RU8500 and 7700 Series Half Masks Respirators, N95, NIOSH Approved

Cartridges and filters for use with 5500, RU8500 and 7700 Series half masks as well as 5400, RU6500 and 7600 Series full facepieces. Combination filter cartridges feature a low profile with curved top that will not catch on pipes or other objects. Easy to perform user seal checks, even on the gas and vapor cartridges.