Filters coarse impurities from the water Must be installed on the cold inlet side of the heater and before the expansion vessel Must be used with Pack U2 for Multipoint products & Pack U5 for Hotflo products Manufacturer Stock Code:95970352 EAN Code:5012496703520 Length:320 mm Width:190 mm Height:130 mm Sub-Category:Water Heater Accessories Brand:Heatrae Sadia Manufacturer Part Number:95970352 EAN Number:5012496703520 Category:Spares and Accessories