H3635 Cartridges - Particulate Aerosols, 2 pk.   See larger image and other views  Your Price:** $5.95 Description These cartridges fit our Low Maintenance Respirator Facepiece (Models H2499, H3631, H3632). They protect against all particulate aerosols. See similar items in: > Home > Safety Equipment > Respirators Final prices will include state sales tax for items shipped to WA, MO, or PA. Shipping charges for items not shipped via truck freight will be added according to our shipping rates.