Replace your worn, cracked, or leaking FNS Plus Tank Bottom with the Pentair 170018 FNS Plus Tank Bottom. It provides an OEM replacement that refurbishes the structural integrity of your FNS Plus filter to normal operation. Specifically, Pentair manufactured it with the original filter specifications, providing a tight seal, lasting durability, and perfect seating.

What does the Pentair 170018 FNS Plus Tank Bottom Do?

The Pentair 170018 is only compatible with 180009 FNS Plus D.E. filters. Also, it provides the filter grids, plumbing, and internal components with a seated connection with the filter. It is important to use an OEM replacement part because they offer the perfect fit, correct pressurization, and a long lasting component.