Refrigerant Compatibility: R-134A, R-22, R-404A, R-410A. Features: Easy to read 3 1/2 in (80mm), extra access port in the center with Schrader(R) valve. Includes: (2) Valve, 5 ft Hose Set, Hanging Hook, Protective Gauge Boots, Triple Seal(TM) Piston Valves.