Viper VN2015 20", 175 rpm, low-speed buffer, 1.5 hp, pad driver included,20", 175 rpm, low speed buffer, 1. 5 hp, pad driver included, all metal construction, CSA approved This Viper Venom 2015 20 inch Heavy Duty Floor Buffer is multipurpose designed to clean, strip or polish almost any floor surface. Other applications include: carpet bonnet cleaning or shampooing, and gym floor screening. The features, warranty, and price of the Venom floor machines make them the best buy on the market. The CSA approved Venom buffer is