Dust-Off compressed gas dusters provide potent, dust removing power for practically any task. Ideal for cleaning CPUs, keyboards, computer mice and workstations. Also great for cleaning items around the home including collectibles, figurines, window blinds and ceiling fans. Great for labs, repair benches, household use, on-location photography, etc. Includes an extension tube to get to hard to reach places. 100% ozone safe, contains no CFCs, HCFCs, propane or butane. Contains a bitterant to help discourage inhalant abuse.