OR540B-f STYLEMaterials of ConstructionBrass: Inlet Retainer, Relief Valve, Piston, Rotor, Flow Control Housing, Barb OutletCGA 540: Nut and NippleBrass: Body, Barb Outlet, Clear AnodizeSilicone: O-ringsSintered Bronze: 40 Micron Inlet FiltersBody Finish: Clear Anodize, Laser EtchedDiameter: 1 4/5" NominalLength: 4 7/10" approximatelyWeight: 754gGauge: 1.4" 0-3000 PSI, Clean for O2 Service, UL Listing, Boot, 1/8" NPT, Fill/RefillExterior Markings: Model No., Description, "Made in CHINA" text and "Use No Oil" textPackaging and Labeling: Box to be 7.7" x 3.0" x 3.0", Box Label Matching Current Trademark: MEDTEK Model NO.: OR540B-F Company: Danyang Meihua Co., Ltd
