OILLESS VACUUM PUMP: Twin Piston 3/4 HP 5.5 CFM Good for Milker Machine Pulsator Hookup, Medical/Dental offices, Laboratory and Workshop Push. Applications Like vacuum bagging/packing etc. $ave the oil, no oil-mist problem. More selection of pumps and other tools available at: https://viot.us/HVAC FEATURES: OIL-free twin piston vacuum pump, 5.5 CFM; Designed and manufactured with the highest quality in materials and workmanship; Quiet run at wide temperature ranges, from subzero to 120 degree F, start in cold.Come with power switch on the pump; Max Vacuum: 25 inch Hg; 3/4 HP single phase motor with thermal protection; Power Supply:115 VAC, 60 Hz; 5 ft cord/UL plug; Insulation Class B; Capacitor: 80 uF, cased in/protected; Come w/4 rubber suction feet to reduce/absorb vibration & noise; Physical Dimensions: Size: 11 X 6 X 9 inch; Shipping Weight: 28 lb. Dimension: 14 X 12 X 10 Intake Port: 1/4 female NPT & adapter to 1/2 barb; One year warranty; Optional addition: a mini dust filter on the intake port, to filter away the dust from the intake air; Optional Included addition: a mini muffler on the exhaust port for quieter operation;Optional: mini dust filter, just ask. Packing List: Pump, model WVP5b (with switch built-in), one unit Rubber feet: 4 units Mini-muffler: 1 unit Capacitor protector case: 1 unit, installed User Manual: 1 copy