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small rabbits
this dramatically reduces installation time and ensures a stronger surface
confirm your existing cartridge measures 17 3/8" long with an 8 15/16" outer diameter
Replacing a damaged
Grids only — does not include manifold
Pentair FNS Plus Tank Bottom Assembly 48 SF | 170017 PGRMSB small rabbitsThe Pentair Tank Bottom Assembly (170017) is the OEM replacement tank bottom for the FNS Plus D. E. Filter, specifically the FNSP48 48 square foot model. The standpipe is included with this assembly. The tank bottom assembly forms the structural base of the FNS Plus filter housing, seating the internal grid assembly and providing the standpipe connection that channels filtered water back to the return line. A cracked, warped, or leaking tank bottom
