4 Way AC Manifold Gauge Set for R410a R22 R134a Refrigerant

Features: COMPLETE GAUGE SET: This professional automotive AC tool kit includes a 4-way gauge, 4 color-coded hoses, 2 adjustable 1/4'' quick couplers, a 1/2'' to 1/4'' adapter, a 1/4'' to 5/16'' tank adapter, 5/16'' to 1/4'' angled and straight adapters, and a puncture-style can tap; enjoy hassle-free setup and easy operation as you nip your HVAC problems in the bud DESIGNED GAUGES: The 2.6" high and low pressure gauges combine the best features of dry and liquid-filled designs, with an oil-filled core resisting shock and a dry dial providing better winter performance; the sight glass diagnosis monitors your coolant’s condition in real time; and calibration screws and superior design provide ±1.6% accuracy COLOR-CODED HOSES: Blue for low, red for high, yellow for charging, and black for evacuation, these durable PVC hoses have 4 reinforced layers to work with daily pressure up to 800 psi (burst pressure: 4000 psi) WIDE APPLICATION: This car AC gauge set works with R134a, R22, and R410