For R134a and R12 automotive use, includes fittings; High impact nylon case; Operates on Shop Air: 75 psi minimum / 180 psi maximum; Air Consumption: 4.2 CFM @ 90 psi; Vacuum Capacity: 28.3" of Mercury at sea level @ 90 psi; Includes 1/4″ flare (R12) connection and 1/2″ ACME (R134a) connection.; Shipping Weight: 1.2 lbs.