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    Pentair 5/16in Stainless Steel Lock Washer, 174955

    No. 32 Image Pentair 5/16in Stainless Steel Lock Washer, 174955 Used on Pac Fab (Pentair) DE Filters, Fits NSP/FNS filters. Does Not Fit NS or FNS Plus filters. Stainless Steel lock washer is used with the nut and flat washer to tighten up the DE grid assembly through bolts. Use four (4) per filter. 174955 and other PacFab Nautilus pool filter parts are in our parts department.

    California Residents WARNING: Cancer and Reproductive Harm -

      • Item: # ZPEN5436 Pentair 5/16 Stainless Steel Lock Washer - 174955Z $10.99
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