Robinairs No. 44150 Dual R-12/R-134a, 2-Way Side Wheel Manifold Set is easy to use and designed for accuracy. Robust solid brass bar is forged for long life. Features durable, color coded Lexan hand wheels; color coded universal gauges with Fahrenheit scale and protective Lexan lenses; a field-proven face seal valve that prevents leakage past the stem; 1/2" ACME bottom ports; rear R-134a and 1/2" ACME fittings for holding hoses; and a pair of 90° manual couplers. Set includes a pair of 72" hose sets, one for R-134a (1/2" ACME x 14mm) and one for R-12 (1/2" ACME x 1/4" male flare). Built-in rotating hanging hook adds convenience. Rugged, molded plastic carrying case keeps set components contained and protected when not in use. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets.