Pentair Pentair 192323 O-Ring Replacement Pool/Spa D.E. Filter and Pump

This o-ring is designed to use with Pentair FNS, Nautilus and Nautilus Plus pool and spa D.E. filter models NSP36, NSP48, NSP60, NSP72 and also compatible with Pentair Bermuda skimmers and Hydropump pool/spa pumps. Measures 2-1/2-inch length by 1/4-inch height by 2-1/2-inch width.