This Weldmark® Grade T twin line welding hose is 3/16" x 12.5 feet in length, and includes two brass female BB fittings on either end. Twin line hoses include two hoses - one in green and one in red. The green hose is intended for transporting Oxygen to welding equipment, while the red hose is intended for all fuel gases. The hoses are made of Polychloroprene, which is resistant to oil, wax and grease. It can reach a max operating temperature of 180 degrees Fahrenheit (82 degrees Celsius) and an operating pressure of 200 psi
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