FOR: R-134a, R404A, R507 Yellow Jacket 41312 2 Valve Manifold Comes with clear plastic case as pictured. Flutterless Gauge Movement Maximum Capacity Design Solid Brass Construction 2.5 Red & Blue Gauges ---Gauges: Red/Blue ---Scale: psi & F ---Refrigerant: R-134a, R404A, R507 ---Heavy duty hook won't pull out. --Manifold and hose holder fittings (3) 1/4 ---Made in the USA. Each gauge is color coded for your conveince.
LOW Side Gauge: -30 to 0 & 0 to 350 PSI HIGH Side gauge: 0 to 500 PSI This is for the manifold only and does not include hoses.