This is a replacement part to suit the below Waterco sand filters.

S602 Eco, S702 Eco, S750 Eco, S800 Eco, S900 Eco
E602 Plus SM Eco, E702 Plus SM Eco, E602 Plus TM Eco, E702 Plus TM Eco
S702/F702 Std, S750 Std, S800 Std, S900 Std
SM600 50mm port Std, SM700 Std, SM750 Std, SM800 Std, SM900 Std
SM750 Eco, SM800 Eco, SM900 Eco