Pentair Pentair 154412 2-Inch Internal Bulkhead Locknut Replacement Pool and Spa Sand Filter

This internal bulkhead locknut is designed to use with Pentair Triton II and C-3 fiberglass filter models TR100C, TR140C, TR100C-3, TR140C-3 and also compatible with Pentair Nautilus, FNS, SM & SMBW 4000 series pool and spa sand filter model 4060. Measures 2-inch.