- Multi-Version Compatibility: This water filter is designed to work seamlessly with a wide range of Dolphin Robotic Pool Cleaners, including models such as Active 20, Active 30, Active 30i, Active 40, Active 60, Advantage Ultra, Discovery (new), Explorer E30, Explorer E50, Explorer E70, M600, Mercury, Premium, Proteus DX4, Proteus DX5i, Prowler 920, Prowler 930, Prowler 930W, Quantum, S200, S300, S300i, S400, T35, T45, T55i, Triton PS, Triton PS Plus, Warrior SE, and Warrior SI. Part number: 9991467-R4. - Durable Construction: Made with a robust ABS plastic frame, this filter offers enhanced strength and durability. It provides solid support to the filter layer, ensuring it withstands the rigors of pool cleaning without breaking. - Solid Structure: Featuring a thick pleated fabric and a strong plastic support frame, this filter maintains its shape under water pressure. It efficiently captures debris while resisting deformation, ensuring consistent performance. - Long-Lasting Performance: Designed for easy maintenance, this filter can be cleaned with a garden hose, allowing for reuse and prolonging its lifespan. For optimal function, rinse the filter every 4-6 weeks. - Practical Applications: Ideal for both residential and commercial pool cleaning, this filter ensures your pool stays clean and clear. It's perfect for maintaining swimming pools during the summer season or preparing for pool parties and gatherings. - Enhanced User Experience: By using this compatible filter, you'll enjoy a hassle-free pool cleaning experience, saving time and effort while ensuring your pool is in top condition.