Multipurpose duster features a powerful blast that is safe for computers, printers, copiers and more. Extension tube provides pinpoint cleaning in hard-to-reach areas. Moisture-free duster assists in preventing dust buildup to extend the life of your equipment. Safety bitterant prevents misuse of the duster. Endust 10 oz Air Duster with Bitterant is one of many Cleaning Equipment & Kits available through Office Depot. Made by Endust.