Hole size: 150 mm / 5.9 inch, length: 243 mm / 9.5 inch, coarse thread: 46.5mm / 1.8inch. Measure your whirlpool filter and compare it to this filter's dimensions before ordering. Compatibility: Replacement filter cartridge compatible for Unicel 6CH-940, Pleatco PWW50P3, PWW50-P3, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400. The filter can effectively reduce hair , leaves, dust, sediment and sand. Enjoy your leisure time in your spa. Please note that this is a compatible replacement part and the manufacturers names and part numbers have been used for reference purposes only. Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the item actual received.
