Boiler Noise Silencer F2 is designed to reduce boiler noise and kittling which is a symptom of a scaled system. It is ideal for use with all types of boilers and is compatible with all metals and materials commonly used in systems including aluminium.Quick and convenient – doses in 30 secondsSimple to use with no messRadiator adapter or filling loop suppliedNon-toxic, environmentally friendly formulation100% recyclable canReduces boiler noise and improves heat transfer efficiencySaves on fuel bills and reduces maintenance costsCompatible with all metals and materials including aluminiumOne 9 fl oz canister treats 26 gallons of water