1. HIGH QUALITY POOL/SPA REPLACEMENT CARTRIDGE FILTER CONSTRUCTION: The Clear Choice CCP498 Pool/Spa replacement cartridge filter are produced using industrystandard 3oz Reemay Spunbond Poly Filter Media materials. Each Clear Choice CCP498 replacement cartridge filter has 124 pleats, a total of 30 square feet of media. With the Reemay media containing no binders, the filtering area coverage is maximized to assure clean and sparkling water in your swimming pool or hot tub spa. 2. REPLACEMENT CARTRIDGE FILTER COMPATIBLE WITH POPULAR POOL/SPA FILTRATION SYSTEM: Clear Choice CCP498 is a direct replacement pool/spa cartridge filter for filtration system by Unicel C6330. With a 115/16' open at the top and a 115/16' open at the bottom of the filter, it fits and is compatible with your current pool/spa filtration system. 3. WIDE ARRAY OEM/AFTERMARKET REPLACEMENT CARTRIDGE FILTER COMPATIBILITY: Clear Choice CCP498 is a replacement for OEM pool spa filter N/A as well as an aftermarket replacement cartridge filter for brand/filtration system by Unicel C6330. 4. EASY REPLACEMENT CARTRIDGE FILTER SELECTION FOR OEM/AFTERMARKET FILTRATION SYSTEM: Clear Choice CCP498 a wide selection of Pool/Spa replacement cartridge filter to accommodate various replacement cartridge filter diameter and length. Whether you are looking to replace your OEM filtration system or aftermarket cartridge filter, you are getting a high quality pool/spa replacement cartridge filter.