Electronic Duster Compres Size 7z Falcon Dust Off Electronics Compressed Gas Duster Can 7 Oz. Sold as 1 EA. Electronics dust remover cleans dust and lint off keyboards, mouse devices, CPUs and other electronic equipment with pure moisture-free blasts. Convenient, 7 oz. size is perfect for use in the office and on the go. Compressed-gas duster contains a bitterant to discourage inhalant abuse and is 100 percent ozone-safe with no CFCs, HCFCs, propane or butane.