2045Phos 100% Polyphosphate Filter Cartridge.
The filters are used to Protect Hot Water Systems and other Equipment from Scale built up from Calcium in Hard Water areas.
The slow release Polyphosphate in the filter will prolong the life of the equipment and save on servicing costs.
Dimensions are 510mm x 110mm
These cartridges will fit standard 20″ Big Blue and Big White water filter housings