Help do your part in protecting the environment, use only dusters formulated with 100% HFC-134a, shown not to deplete the ozone. This 10 oz can has a built in spray nozzle and is filled with an exceptionally pure, moisture free, inert gas that removes dust particles without the use of harmful solvents. Because HFC's do not harm the ozone, this duster has a zero ozone depletion factor.

One 13.5 oz aerosol spray can.