Mastercool Refrigeration Testing Manifold 35772.
This is a 2-way brass charging and testing manifold with 72" quick seal hoses.
This manifold works with R12,R22,R502.
Hose connections are 1/4" SAE. Gauges are 2 1/2" and can be calibrated to maintain accuracy. Includes (3) 72" charging hoses with quick seal fittings.
Anti-flutter gauges smooth out needle movement.
Piston type free-floating valves reduce o-ring wear.
Made in USA