The radiator air venting valve is widely used in radiator heating systems, also known as an air bleeder.Specification Color: Silver, WhiteMaterial: Nickel Plated Brass, NylonOverall Size: 18x25mm/0.71x0.98inch (OD*H)Thread Diameter: 3/8" Male (16.662mm/0.656inch)Max. Working Temperatures: +120°CMax. Static Pressure: 1,0MPa (10 bar)Packing List: 2 x Radiator Air Vent ValveAdvantageMade of nickel-plated brass material, it has the feature of stability, high hardness, corrosion resistance, and wear resistance. The surface is polished, which is very bright, and beautiful.InstructionEasy to use, screw the valve into radiator and fix it by spanner.NotePlease order according to the size you need.