This replacement filter cartridge comes with a technical specification Filbur# FC-1492, Pleatco # PJC110-M4, Unicel # C-7430, and OEM # 42-3799-23. This product is a high performance filter cartridge with a top load capability of 110 sq ft. This state of the art 110 sqft TC330 Jacuzzi, Cantar,Competion Tri-Clops Replacement (round)filter is of superior quality as per industry standards. This filter comes with 4-1/16" open hole at the top and a closed bottom. It is 22 13/16" in length and 7 13/16" wide. It efficiently provides you dust, sand and worm free clean and clear water solution for your pools and spas. The best in the industry this product matches all your water purifying needs and offers quality with cleanliness and hygiene par excellence.