TLILY 9991467-R4 Ultra Fine Filter for Dolphin Active 20,Pleated Pool Cleaner Replacement Parts(8Pack)

[Multi-version compatible use] Filter perfectly compatible with Dolphin robotic pool cleaners: Active 20, Active 30, Active 30i, Active 40, Active 60, Advantage Ultra, (new), Explorer E30, Explorer E50, Explorer E70, M600, for Mercury, Premium, DX4, DX5i, Prowler 920, Prowler 930, Prowler 930W, Quantum, S200, S300, S300i, S400, T35, T45, T55i, Triton PS, Triton PS Plus, Warrior SE, Warrior SI. Part number: 9991467-R4. [Hard-free installation] Replacing filters with pleated filters is both simple and straightforward. Each panel is numbered to correspond to the position in which it should be installed in the hanging basket. It is impossible to place the filter in the wrong location. It is recommended to remove the filters in the order of filter numbers 1 to 4. Replacing them in descending order from 4-1 makes it easier to replace the filters [Solid Structure and Long Life] Plastic frame is more robust and . It firmly supports the filter layer, preventing it from breaking during