Ritchie Series 41 Manifold with 2-1/2 In. Steel Case Gauges (Manifold Only) Breadcrumb Home / Products / Parts / Tools and Instruments / Manifolds and Accessories / Manifolds Loading... Customer Part Number: 41712 Brand: Ritchie Accuracy: 3-2-3% Scale: bar/PSI Valves: 3 Refrigerant: R-410A