Filter delivers safe and clear purified water for optimal hot tub performance. Enjoy clean, refreshing water with reliable filtration. [Replacement Models] Length: 7 5/8 inch; Outside Diameter: 6 inch; Top: Circular Handle; Bottom: 1 1/2 inch SAE thread; Filtration Area: 45 sq. ft. Compatible with PLF6CH-940, PWW50P3 (not PWW50P4), 6CH-940, FC-0359, 817-0050, 25252, 378902, 03FIL1400, HTF0245RT. NOTE: This is a compatible spare part. Manufacturer names and part numbers are used for reference only. [Long Service Life] Unique trilobal filtration fabric structure effectively captures a high volume of contaminants. Easy to rinse and clean for reconditioning. Lasts 12 years with proper maintenance. Color: White + Blue Material: Plastic Package Contents: 2 x Spa Filter Note: Light and display settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 13 cm.