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Cartridge Element for Pool Filters
and needs no special balancing to remain effective
every pump rebuild becomes predictable and efficient
Unlike lightweight consumer rakes
Pentair Tank Bottom Assembly 170018 Pentair 353251 Cartridge Element for Pool FiltersPentair Tank Bottom Assembly 170018 for FNS Plus Restore peak filtration with the OEM Pentair Tank Bottom Assembly 170018, engineered specifically for FNS Plus and FNSP60 filters. This bottom replaces worn components to restore a secure seal, proper drain alignment, and enduring performance, keeping your pool water crystal clear with minimal downtime. Built by Pentair, it integrates seamlessly with existing filter internals for reliable, long lasting
