Porto-Dent II Mobile Oral Evacuator - 115VCompact Measures only 13" x 16" x 26". It is no obstacle at chairside and stores inconspicuously. Shipping weight 40 lbs. Easy Maintenance Non corrosive collection canister cleans easily and is equipped with an automatic overflow shut off. Motor comes with a one year guarantee and can be replaced in minutes with a screwdriver. Special Uses Needed especially by the dentist in a temporary location or when it is not feasible to install a central system.