This is a Maytronics Combination Filter Basket S1 for several Dolphin pool cleaners including the Active Series. The combined filter basket has 2 fine filter panels and 2 ultra-fine filter panels.
The combination filter basket is designed for the Active, 10, Active 15, S50, S100, T15, T25, Prowler 910, Prowler 917, Warrior SL, Echo, Saturn, Cayman, E10, Escape, Nautilus CC, Encore, Proteus DX3, Solo, Advantage, and Explorer E20.
