Description:90 Degree Right Air Compressor Check Valve.The durable valve closes when air has been discharged from the compressor head.One thread connector is for tube connecting and the other thread connectors are for the air pressure tank and compressor piston pump.The compressor check valve needs to be replaced when it does not close during compressor shut down and allows air to leak back into the compressor head. Features:Thread Size: Male 3/8PTxMale 1/2PTxM10 FemaleTotal Size: 45mm x 36mm x 28mm / 1.77" x 1.42" x1.1"(L*W*H)Color: BrassMaterial: BrassPackage Content: 2Pcs x Air Compressor Check Valve