Gauge, Manifold Test, R12 / R134a Dual Refrigerant
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Three sets of hoses (72 in red and blue plus 96 in yellow) permit true interchange between R12 and R134a refrigerants while providing extra reach for vans, pickups and SUVs. Large, 1/4 turn positive open/close manifold ball valves. Oversize sight glass for easy flow viewing. Extra large 80mm gauge face for better visibility. Anti-flutter gauges deliver true readings. Extra access port for vacuum line for system draw down. Manual HI and LO couplers for quick connections. Nylon barrier hoses meets EPA, SAE and UL standards.