Mastercool 93772 R12, R22, R502 Aluminum 2-Way Refrigerant Manifold features a solid extruded aluminum body, free-floating piston type valves that reduce o-ring wear and an extra access port for vacuum line. Mastercool 93772 includes the manifold, 2.5" gauges, and a set of 3 standard 72" hoses with standard fittings and 1/4" SAE connections.