Blow Off™ Air Duster 2 Pack, Defined as Non-Flammable 10oz is our all purpose sterilized cleaner that removes dust, dirt and microscopic debris from hard to reach places. Its ozone safe. 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