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Verify fit by matching the 4 1/4" OD and 2 15/16" length against your existing cartridge before installation
Confirm the correct sand load per your TR140 manual before closing up
Don't forget the companion partial grid — Unicel PG-1906 Partial DE Filter Grid
including the C4000
Unicel FS-2002 Complete DE Filter Grid Set | Hayward & Pentair 24 Sq. Ft. Filters C7490 Verify fit by matching theThe Unicel FS 2002 is a complete replacement DE filter grid set engineered for Hayward ProGrid and Pentair FNS PacFab American Products 24 square foot diatomaceous earth filter systems. This full 8 grid set 7 full grids and 1 partial grid contains everything needed to perform one complete filter re grid service, built to precise OEM specifications for a proper manifold fit and restored filtration performance. Complete DE Filter Grid Set 8 Grids
