6.25 CFM 2 stage vacuum pump with a 1/2 HP motor. Advanced two-stage design pulls deep vacuum fast to 15 microns. Dual voltage 110/220 - 60/50hz with fuse.3 fitting connection 1/4" SAE x 3/8 SAE x 1/2" ACME with plastic caps. Rubber molded base for quieter running pump. Built in gas ballast to help pull faster vacuum with less moisture. Large oil sightglass to give you a better indication of the condition of the oil. Dual voltage 110V-220V 60/50hz with built fuse. Three fitting connection 1/4"SAE x 3/8"SAE x 1/2ACME with plastic caps. Rubber molded base to better grip surfaces and less noise and vibration transmited from the pump. We Strive To Respond In A Timely Fashion! We Would Very Much Appreciate A Chance To Make Things Right!