MasterCool 97772-MRB Aluminum Manifold Gause Set (With Nilon Barrier Hoses And Auto Shut-Off Valves)

• Manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards.

• 2 gauges

• Free floating piston valve results in less wear and tear in comparison to market standard twisting piston valves

• Double O-Ring allows for a much better seal resulting in less leaks

• Silicone dampened gauges smooth out needle movement

• Extra large sight glass for visual refrigerant check

• Use for R12, R22, R502

Manual