Cools down as deep and fast a Vacuum as a two stage pump Two stage performance using twin-port technology™ Lightning fast design removes moisture and non-condensable gases that can destroy any a/c or refrigeration system. Lightweight, durable construction for easy handling and long-life use. 115 Volt, 1/4" M.F x 1/2" Acme 7 CFM, with 75 micron rating 3/4 horse, 1725 RPM. Oil Capacity 17 ounce, comes with 2 bottles of oil