... for R410a,R 404a others manifold gauge name of Product: Manifold Gauge Set,Refrigeration and air-conditioning tools and ... accessories, Refrigeration manifold, Other search words:Manifold gauge, twin meter valveModel: CH-836GNumber of hose: 3Hose ... strong 100% Teflon diaphragms, excellent vacuum characteristics, no-flutter gauge design, extra large knobs for easy grip, oversized sightglass ...