1. Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50.
2. Length: 7 5/8 inch; Outside Diameter: 6 inch; Top: Circular Handle; Bottom: 1 1/2 inch SAE thread; Filtration Area: 45 sq. ft.
3. Compatible with PWW50P3(Not PWW50P4), Unicel 6CH-940, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400, HTF0245RT.
NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. POOLPURE is an independent brand.
4. Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants.
5. It is also easy to wash/clean to recondition the filter.
6. 1-2 year long filtration lifespan when proper maintenance is performed.