Metro Vacuum DataVac Electric Duster. 500-Watt. 0.75 horsepower. The compact, hand-held DataVac Electric Duster is far less expensive and safer for the environment than canned air. The 500-watt electric motor blasts off dust, dirt and debris to keep expensive computer and electronic equipment thoroughly clean and running at peak efficiency. The DataVac Electric Duster is much more cost-efficient than expensive, throwaway cans of air, as well as, safer. The electric duster blows clean, dry, filtered air safe for all computer/electronic equipment, printers, copiers, fax machines, digital cameras, etc, as compared to canned-air, which can contain fluorocarbons (CFCS), halons, carbon tetrachloride, and methyl chloroform that are destructive to our environment. The electric duster is also condensation-free and contains no dangerous propellants.