... Duster is a kind of compressed inert gas(R134a or R152a) to filled in aerosol tinplate can. When spraying, strong ... untouched places) 1. Air duster aerosol is an inert gas that removes dust, lint, metallic oxide deposits, microscopic contaminants ... on computers,electronics,electrical,data processing appliances, office equipment,lab equipment,generaL maintenance,room clean and more Performance:Blow ...