H3633 Cartridges - Organic Vapor, 2 pk.   See larger image and other views  Your Price:** $8.95 Description To be used with our H3630, H2499, H3631 & H3632 Facepieces. Protects against organic vapor, sulfur dioxide, hydrogen chloride and chlorine. 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.