HVAC Guys 60in R-410A HVAC Hoses with Ball Valves Hose Kit 3PK | 60in Refrigerant Hoses 1/4in x 1/4in for Refrigerant Charging R-410A COMPATIBLE REFRIGERANT HOSES WITH BALL VALVES - With a 800psi operating pressure and 4000psi burst pressure, our hoses can be used with 410A and other high pressure refrigerants. Suitable for use with R-410A, 134A, R22, R290, R600a, and all efrigerants. Please note, some 410A systems have 5/16” service ports. This will NOT fit on 5/16"" service ports. MINIMIZE REFRIGERANT LOSS - The flexible hose, manual shut-off ball valve, and 45 degree angle hvac fittings help safeguard your fingers and minimize refrigerant loss when disconnecting hoses from a system during charging or service. SOLID BRASS CONSTRUCTION - These ball valve hoses are machined from Solid Brass bar stock. The seals are industrial grade materials specifically designed to be used with HVAC refrigerants and oils. Additional rubber gaskets are included for servicing. COMPATIBLE WITH 1/4IN FITTINGS and SERVICE PORTS - Our HVAC refrigeration charging hoses with ball valves are compatible with all standard 1/4in fittings and 1/4in service ports. Please note, some 410A systems have 5/16” service ports. This will NOT fit on 5/16"" service ports. Suitable for use with R-410A, 134A, R22, R290, R600a, and all refrigerants. DESIGNED IN THE USA BY HVAC PROFESSIONALS - We have designed our products to meet and exceed the highest standards within the HVAC Industry. These are the same hvac manifold hoses we use in our own jobs. 100% SATISFACTION WITH OUR HVAC TOOLS - Our company is owned and operated by EPA card holding HVAC technicians. These are the same tools we use on our own jobs and we stand behind them 100%. If you are not completely satisfied, please reach out to us directly and we will gladly make it right!