... R152a) to filled in aerosol tinplate can. When spraying, strong air blows away dust (also with extended tube to reach untouched ... away the dust in just seconds. The moisture-free compressed air duster cleans even the tiniest of crevices, letting you remove ... will produce a freezing effect of the inert gas. Canned Air, Dust-off, Computer cleaner, computer blower, spray duster, blower, keyboard cleaner ...