Blow Off Air Duster, Flammable removes dust, dirt and microscopic debris from hard to reach areas of home and office equipment. It's ozone safe. Recommended for Computers, Keyboards, Sewing Machines, Photo Equipment, Cash Registers, Printers, Fax Machines, Copiers, Telephones, Lab Equipment, TVs, VCRs, Typewriters, Vacuums, Scanners, Stereos, Watches, Clocks, Mailing Machines, Fans, Audio Equipment, Electric Razors, Sports Equipment, Musical Instruments, Guns, Desk Tops