Brass Ball Valve (BV) for 1/2” ACME Male to 1/2” ACME Female. Life-cycle tested – 140,00 cycles open/close without a leak. Add existing hose to eliminate refrigerant loss comply with EPA regulations. Easy 1/4 turn open/close with rugged plastic composite color-coded handles. Oversized chrome ball for smooth operation and non-restrictive flow. Individual valves includes all three color-coded handle inserts.