Pentair FNS Plus Tank Bottom Assembly 48 SF | 170017 Testing & Measurement No sand or bricks are

No sand or bricks are required to prevent floating

GLI 18' x 36' Rectangle Mesh Safety Cover

control and user interface (UI)

This cord-ring seats in the groove at the tank's mid-section joint

Recirculate

Pentair FNS Plus Tank Bottom Assembly 48 SF | 170017 Testing & Measurement No sand or bricks areThe 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