Maytronics Ultra Fine Filter Cartridge Kit, 9991427-ASSY Hinged Lid then the fine filter basket

then the fine filter basket captures fine particles for clearer water

fiberglass and even vinyl liners

The pH-neutral composition means it won't foam

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Maytronics Ultra Fine Filter Cartridge Kit, 9991427-ASSY Hinged Lid then the fine filter basketMaytronics Ultra Fine Filter Cartridge Kit This filter cartridge is used for picking up smaller items, such as sand and dirt. Larger items, such as leaves and grass, will clog this filter quickly. To pickup larger items such as leaves, grass, and other debris, Maytronics recommends using their Leaf & Debris Cartridge Filter Kit, part number 9991428 ASSY. Used On Dolphin Nautilus Plus CC Dolphin M200 The Maytronics Ultra Fine Filter Cartridge Kit,