Key features:Compression inletChrome plated brassChrome finish1/2'' outletCompatible with traditional radiators, this Towelrad cross head radiator valve is an ideal manual solution for a traditional radiator.Straight radiator valvesAs you would imagine, straight radiator valves connect to the central heating with the radiator being straight up from the floor horizontally. Straight valves are to be used when your heating pipes are coming out of the floor, the water runs through the valve and in a straight line, as the name suggests.Additional information:2 year guarantee