Maytronics 9991461-R1 - Dolphin Monoblock Filter BasketMaytronics 9991461 R1 Dolphin Monoblock Filter Basket is a genuine fine debris monoblock filter basket for select Dolphin S1 style cleaners. A complete basket assembly with handle and non return flap for models such as E10, Escape, Prowler 910, S50, and Active 10. Key Features: Fine filter basket Monoblock assembly Handle and flap Genuine Dolphin part