3 x 72'' (1.8m) HVAC manifold gauge hoses set with heavy duty brass made hose connections, durable but easy to use. HVAC Charging Hose Set for HVAC, with 3 packs, corded in red, blue and yellow. Suitable for refrigerants R22, R134a, R12, R502, etc. Refrigerant charging hoses set designed to meet 1/4" SAE Requirement on both end of each hose for refrigerant permutation. A/C Charging Hoses is made of high quality brass alloy and rubber, with 45 degrees angle on the service port site for easier access. 600 PSI working pressure and 3000 PSI burst pressure, providing you safety and convenience to test or recharge many HVAC system. Features: Multi-Purpose : Air condition charging hoses can be used for R12, R22, R134a, 404a, and R502 systems. 72 Inch Length : 6 ft length allows you to easily maintenance any air conditioning system. Brass Connectors : Knurled brass connectors are highly durable and provide exceptional grip for tightening and loosening. Color Coded : Color coded hoses easily distinguish which hose is for the low side, high side and the charge tank. 45° Angle : 45° Angled connectors provides easier access to the service ports. 1/4" SAE Connectors : Designed to meet and exceed 1/4" SAE requirements for refrigerant permutation. Safety Factor - 600 PSI Working Pressure, 3000 PSI minimum Burst Pressure. Car air conditioner refrigerant three-color charging hose. High pressure, oil-resistant, durable, wear-resistant, corrosion-resistant, do not harden. Brass made hose connections fittings ensure years of reliable use. AC charging hoses color coded charging hoses are perfect for safely testing, diagnosing and recharging any air condition system. Specification: Connector Material:Brass Hose Material:Rubber Color:Red/Yellow/Blue Length:72'' (1.8m) Screw thread: 1/4 "SAE-1/4" SAE Working Pressure: 600 PSI Burst Pressure: 3000PSI Refrigerant: R134a and R12, R22, R134a, 404a, and R502 systems ,etc other kinds of refrigrant Voltage: 12V-24V Package include: 3 x 72" Refrigeration Charging Hoses