Mastercool 90063-2V-220 - Air Conditioning Vacuum Pump (220v/110v), 85 litres per minute, 2 Stage. High Efficiency two stage vacuum pump. Access fitting prevents oil blowout. Includes T-fitting with 1/4" flare and 1/2" ACME ports. Vapour discharge/oil fill port, easily removable, contains internal check valve to prevent escape of liquid oil.