This filter bundle includes three filter cartridges for the Pentair GRO-475B and GRO-745M reverse osmosis systems. All three filters should be replaced every 6-12 months.
Tech Specs
3 Replacement Cartridge Filters
In the Box
1 x Cartridge Filter - Chlorine Taste & Odour (65512396)
1 x Cartridge Filter - Cyst & Lead (65512096)
1 x Cartridge Filter - Granular activated carbon (65511796)