Recommended for air brake systems - compressed air connections, jounce lines, and other vehicle applications. Tramec Sloan rubber air brake hoses are made in the USA from American-made rubber hose and brass fittings manufactured by American workers at our plant in Galion, OH which are then assembled at all 3 of our US-based factories. Hose assemblies conform to DOT FMVSS 571.106 and SAE J1402 requirements. Hose assemblies are resistant to gasoline, diesel fuel, oil, and commonly used road and cleaning chemicals. Looking for a custom configuration? Our hoses are available with springs, presealed pipe threads, custom lengths, red & blue hose, and more! Give us a call and we'll create your custom hose in just 48 hours! From under the hood, to the back of the trailer...Tramec Sloan has you covered!