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Its robust design delivers reliable filtration and longer service life in chlorinated water
Structural Support: Acts as the backbone of the "wet end" assembly
Won't over-stabilize your pool
Replaces damaged or worn cables
Its granular formula dissolves quickly to start raising your alkalinity
Pentair Tank Bottom Assembly 170018 maintenance boost Its robust design delivers reliablePentair 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