Blow Off Shop Duster. Keep your workshop clean with our compressed-gas duster. Conveniently clears away dirt and debris from work areas. Recommended For: Computers Keyboards Sewing Machines Photo Equipment Cash Registers Printers Fax Machines Copiers Telephones Lab Equipment TVs VCRs Typewriters Vacuums Shredders Scanners Stereos Watches Clocks Mailing Machines Fans Audio Equipment Electric Razors Sports Equipment Musical Instruments Guns Desk Tops