Dust-Off Compressed Gas Duster, Pack of 4 (DPSXL4) Removes dust, lint and other contaminants from hard-to-reach areas Ideal for cleaning CPUs, keyboards, computer mice and workstations Great for cleaning items around the home, including collectibles, figurines and window blinds Delivers pure moisture-free blasts 100% ozone safe, contains no CFCs, HCFCs, propane or butane Contains a bitterant to discourage inhalant abuse