Gearwiz Aftermarket Replacement Ultra-Fine Filter Basket ONLY compatible with Dolphin Robotic Pool Cleaners: Active 20, Active 30, Active 30i, Active 40, Active 60, 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, Warrior SI, Advantage Ultra, Discovery (new). Made with the highest quality Microfiltration Technology so it will keep your pool the cleanest always The Gearwiz replacement filter basket is ONLY compatible with the following Dolphin Robotic Pool Cleaners: Active 20, Active 30, Active 30i, Active 40, Active 60, 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, Warrior SI, Advantage Ultra, Discovery (new). Please rinse and clean every 4-6 weeks for the best performance DISCLAMER - Gearwiz is not affiliated with Maytronics, or the Dolphin Brand. Gearwiz Replacement Ultra-Fine Filter Basket compatible with Dolphin Robotic Pool Cleaners are compatible ONLY with these following models, Active 20, Active 30, Active 30i, Active 40, Active 60, 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, Warrior SI, Advantage Ultra, Discovery (new).