Attached to Norton Filters, they will extend filter life, acting as a primary dust, mist, fume and airborne paint particle prefilter
Approved for use with all North air-purifying half masks and full facepiece respirators including Item Code SMASKKITNORTH DUAL CARTRIDGE FACE MASK KIT AS 364219
Must be used in conjunction with Item Code S7500COVER Filter Pad Covers which hold the filter pads (Paint and Dust) in place on the Item Code S7500CARTnorton filters