Item Descriptions: -[Application]: Air bleeder & blank cap set used in the process of completing radiator installation.-[Usage]: The vent bleeding valve is used above the radiator for exhaust. The plug is used at the end of the radiator to seal and prevent water leakage.-[Threaded Connection]: The thread outer diameter is 20.5mm with 1/2 BSP thread, please confirm the size before purchasing.-[Effective]: Save energy, reduce radiator system noise, also reduce corrosion in your water pipes.-[Durable material]: selected stainless steel material, sturdy and durable, with rubber o-ring for better sealing performance.-[Package]: Includes 5pcs bleed valves and 5pcs blanking plugs.Package: 5x 1/2BSP Manual Bleeding Valve5x Blanking Plug (Note: Other accessories are not include.) Item Specifications: Type: Radiator Bleed ValveThread Type: BSPThread: 1/2 Inch BSPThread Diameter: 20.5mmOverall Diameter: 26.4mmWorking Temperatures: Max. +120CStatic Pressure: Max. 1, 0 MPa (10 bar) Main Material: Stainless Steel, CopperMain Colour: SilverMPN: [AUTO FILL EAN]