Pentair LR-FB20BB 20” Lead Reduction Water Filter Cartridge #65521043 Parts The 4FC water filter is

The 4FC water filter is Fibredyne-II 0

NSF-certified clean water throughout your home

and one (1) SS-IMF Cartridge with spacer

The 7TO water filter is a granular activated carbon filter designed to reduce offensive tastes and odors in water

please refer to the ProSeries 1500 - 2500 - 3500 cartridges

Pentair LR-FB20BB 20” Lead Reduction Water Filter Cartridge #65521043 Parts The 4FC water filter isApplication: Lead Reduction New lead reduction filter cartridge for the LR BB50 Whole House System You can easily tell when the filter cartridge needs to be changed. Once you notice a change in the flow of water anywhere in your house, this is a good indicator that it may be the right time to order a new one. This 20 inch 'big blue' style cartridge can also be used in any existing 20 inch big blue housing. Features and Specs: Replacement filter