UView 570000 Vacuum Antifreeze Drain and Fill Simply connects to the radiator filler neck or reservoir tank. No need to cut header hoses or disconnect radiator hoses Safely stores used coolant in a large 12 gallon (45.4L) holding reservoir No electrical or moving parts Ideal for use with coolant flush chemicals Shop Air Requirements: 90 PSI (6.26 bar) 4.2 CFM