Replacement For Spa Filter Pww50p3(1 1 or 2inch Coarse Thread), 6ch-940, -0359, Front Access Skimmer f54 Filter delivers safe and clear purified water to the highest sense of happiness. Enjoy your unique . [Replacement Models] Length: 7 5 or 8inch Outside Diameter: 6inch Top: Circular Handle Bottom: 1 1 or 2inch thread Filtration Area: 45 sq. ft. PLF6CH-940 Hot Tub compatible PWW50P3(Not PWW50P4), 6CH-940, -0359, 817-0050, 25252, 378902, 03FIL1400, HTF0245RT. NOTE: This is a compatible spare part and manufacturers' names and part numbers have been used for reference purposes only. [Long Service Life] Unique Trilobal Filtration Fabric Structure easier to capture volume of contiminants. It is also easy to wash or clean to recondition filter. This filter lasts for 1-2 years when proper maintenance is performed. Colour: white and blue Material: plastic Package Contents: 2 x Spa Filter Only above package content, other are not included. Note: Light and different displays may cause color of item in a little different from real . The measurement allowed is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.