ITEM NAME:0.35" Female Thread Tube Connector Brass Check Valve for Air Compressor J3A8 0.35" Female Thread Tube Connector Brass Check Valve for Air Compressor J3A8 Product Name : Air Compressor Check Valve;Color : Gold Tone Male Thread Diameter: 16mm / 0.63";21mm / 0.83" : 21mm / 0.83" Female Thread Diameter : 9mm / 0.35";Hex Head Size : 18mm / 0.7" Total Size : 42 x 39 x 31mm / 1.65" x 1.54" x 1.22" (L*W*T);Material : Brass Weight : 60.3g; Great replacement for the old or broken check valve of your air compressor. Easy to install with the thread connecting ends. The 0.35"; female thread connector is for tube connecting and the two male thread connectors are for air pressure tank and compressor piston pump. Package : 1 x Air Compressor Check Valve Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..The 0.35"; female thread connector is for tube connecting and the two male thread connectors are for air pressure tank and compressor piston pump.