2-pack, 200702 Spa Filter 180Pleats, 50sqft, PWW50L, 4CH-949, FC-0172 Hot Tub...

- Specification Length: 13-5/8" (347mm) Outer Diameter: 4-15/16" (125mm) Inner Diameter Top: Handle Inner Diameter Bottom: 2" SAE Female thread (48.5mm) Contains 2 filter cartridges Dimensions(inch): 13 5/8"x 4-15/16"; (handle and 2" Female SAE Thread) Compatible models:PWW50L, Unicel 4CH-949, Filbur FC-0172, SD-01143, 817-4050, PDC570-AFS, Rising Dragon 50.Baleen AK-90091, Magnum O250, Darlly 42522, Excel Filters XLS-479.(Part number of manufacturer just for reference only, all right reserved.) With the optimal filtering effect. This kind of intersecting and dense lines is woven into a fabric, which is reflected in that when water passes through, the water can smoothly flow into the filter, and other impurities are isolated outside the density fabric. We recommend that during the hot tub use, take out the filter and rinse once about 2 weeks to wash away dirt, hair, etc. Adhering to the filter medium of the filter. It can be used continuously;