Compatible Models: for Active 10, Active 15, Advantage, , E10, , Encore, Escape, Explorer E20, CC, DX3, Prowler 910, Prowler 917, Solo, S50, S100, T15, T25 , Warrior SL. Note: This part is not compatible with the (old), CC Pro, CC . Ultra-fine Filtration Technology: The special filtration technology of the ultra-fine filter plate can filter sand, soil and other tiny particles and dust. Remove impurities to ensure the quality of the pool. Improve pool cleanliness. High-quality material: Equipped with a plastic frame and a HEPA filter, which firmly supports the filter layer and prevents cracks during operation. Easy to install and clean: 9991466-R4 The ultra-fine filter plates are simple to attach, load, and use. Anyone with basic hand tools can install it. Simple cleaning restores its filtration efficiency, ensuring prolonged high performance without the hassle of complicated maintenance steps. Service life: If the ultra-fine filter basket is used correctly, ultra-fine filters can last