Robinair 40174 Two Way Brass Charging Manifold with 60" Enviroguard hoses with Quickseal fittings. Our popular side-wheel manifold is easy to use and designed for accuracy. Bar Solid forged brass for long life; handwheels are durable, color-coded Lexan. Universal Gauges Clearly marked so they're easy to read and protected with Lexan lenses. Field-Proven Face Seal Valve Prevents leakage past the stem.