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    Pentair Pac-Fab Bulkhead O-Ring, Before 10/04

    Item # ZPEN7448 Manuf.# 192320

      Genuine Pentair 19-2320 O-ring, 2-137 Buna N 70SH O-ring is used to seal the upper bulkhead on American Products Clean and Clear Plus cartridge filters, before 11/1998. Also fits Pac-Fab Seahorse filters SH/FSH and also fits Pentair Pac-Fab FNS, FNS Plus, Nautilus and Nautilus Plus filters produced before 10/2004. OEM o-ring from Pentair replaces the generic O-409.

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