The Endust brand is one that America has grown to trust over the last 40 years for all of its cleaning and dusting activities. This 10 oz. Endust for Electronics Multipurpose Duster features a powerful blast that is safe for electronics such as computers printers copiers and more. It includes an extension tube for pinpoint cleaning in hard to reach areas. Regular use can assist in preventing dust buildup and extending the life of your equipment. This aerosol can does contain a bitterant to combat product misuse. Includes 3!