Flow diverter to ensure even and consistent heat output across the surface of your radiator to improve efficiency Solid brass construction with chrome finish Compatible with 15mm inlet radiator valves with a compression fitting Fits between your radiator and valve Not suitable for use with Milano Windsor, Skye and Aruba Ayre radiators or radiators with an internal pipe size larger than 36mm., Weight: 0.220462262 pounds, Manufacturer: Milano