1. Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50.
2. Length: 13 3/16 inch; Outside Diameter: 5 inch; Top: Handle; Bottom: 2 inch Female SAE Threaded.
3. Compatible with PWW50L, Unicel 4CH-949,Unicel 4CH-926 Baleen AK-90091, Magnum O250, Darlly 42522, Excel Filters XLS-479.
NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. POOLPURE is an independent brand.
4. The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning.
5. It is recommended that you clean cartridges every 2 weeks to maximize your spa's performance.
6. Innovated "Dirt-Locking" technology make the fabric traps much than regular fabric.
7. Efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool.
8. Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants.
9. It is also easy to wash/clean to recondition the filter.
10. 1-2 year long filtration lifespan when proper maintenance is performed.