Mastercool vacuum pumps are durable and time tested
They stand up to the most grueling conditions and will provide years of reliable service
This model is the choice for medium sized and larger systems (5 lb. and above capacity)
The 1/2 horsepower motor makes cold condition start up quick and easy
This two stage pump features a manifold valve to isolate it from the system and three inlet ports: 1/4� FL, 3/8� FL and 1/2� ACME (for automotive R134a systems)
