Filter is committed to producing high quality swimming pool filters and SPA filters, special trilobal structure fiber filter media enables Mamokin filter intercept sediment, dust, dirt particles easily, providing you and you family a clean water environment for a comfortable leisure time. How to find the replacement cartridge for your pool or spa? If you already know your filter cartridge's Part Number or the Replacement Number,please search for your Number on our page to qulicky confirm whether it's compatible or not. If you don't know the Number,please measure your filter size to confirm whether filter it's suitable for you. Replacement Part Numbers : Compatible Brand and Models : Pleatco PWW50 Pleatco PWW50P3 Unicel 6CH-940 Filbur FC-0359 Mamokin M60411 Size: Length: 8-1/4" Outside Diameter: 6" Top: Circular Handle Bottom: 1-1/2" SAE thread (Coarse Thread) Filtration Area: 45 sq. ft. NOTE: All manufacturers' names and part numbers are the property of their respective holders and are used for compatibility information only. Please check your Models and Size before Purchase! Aladdin 14510 | Baleen AK-9019 | Darlly 60401 | Excel Filters XLS-601 | Filbur FC-0359 | Filbur FC-0359M | FC-0359-HB | H2X |Magnum WY45 | Pleatco PWW50P3 | Pleatco PWW50P3-M | Pure N Clean PC-0359 | P6CH-940 | PC-0359 | PLE-051-9193 | PLE-051-9194 | PWW-50 W/PAD-3 | PWW50-M | PWW50EP1 | PWW50P3 EP1 | PDY50P3 | PDY50P3-M | PDC600-AFS | SC714 |Rec Factory Warehouse 378902 | Unicel 6CH-940 | Unicel 6CH-940RA | UNI6CH-940 |SD-00031 | SD-00710 | SD-01244 | X268045 | X265010 | 03FIL1400 | 14510 | 17-175-1747 | 17-175-1749 | 25252 | 25252-800 | 785061823 | 4900-301 | 4902-076 | 4904-009 | 817-0050 | 817-0500 | 645544003591 | 645544103598 | 090164824208 |Waterway Front Access Skimmer 50 SF This filter also fits the following Catalina Spas models: CL-300/360 | CL-400 | CL-700/760 | Stealth-Samoa/Neptune/Raptor/Santa Cruz/Saber/Venus| Coronado | CL-1300/1400 | Montreal | Quebec | Ottawa | XL-2100/2600 | Swin spa 16'ft/18'ft | Newporter| Filter high quality and premier performance,brings you safe,clear purified water and your unique SPA time. The Improved Trilobal Fabric Filter Structure makes it easier to wash/clean to repair the filter.For better use experience and effect, it is recommended to clean it every two weeks. The filter designs to well extend the service life and keep pollutants away from clean water. The filter life exceeds 1 year based on normal wear.