Optimal Compatibility with for 31489 and compatible with for FC-3915, for PWK30, ensuring a seamless fit and function. High-Efficiency Filtration that effectively traps and removes impurities from spa water, providing a clean and safe bathing experience. Construction made with high-quality materials to withstand regular use in environments, ensuring and reliability. Easy Installation with a simple setup process that doesn't require professional help, making it convenient for spa owners. Replacement Part Numbers include P 0969601, 73178, 73250, 71825 for broader appliance compatibility. This product is designed to enhance your spa experience by ensuring clean and safe water through high-efficiency filtration. Its construction guarantees reliability even in environments, while the easy installation process allows spa owners to set it up without professional assistance. With optimal compatibility with models, it serves as a versatile replacement option for your spa needs. Color: As Shown Material: plastic Package Contents: 1 * C-6430 Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.