Blast away dust, dirt, and other contaminates from computers and electronic equipment with SKILCRAFTÌ´å¬ Power Duster. This contemporary product is ozone safe, flammable, and leaves no residue. Its handy trigger and extension tube make precision cleaning easy and safe. Shrink wrapped twin pack of our popular SKILCRAFTÌ´å¬ Power Duster. Six (6) packs (for total 12 cans) per shipper.