Brand New Hurricane Spa Filter Cartridge 2ct. Designed to replace Pleatco Prb17.5SF, Filbur: FC-2386, Sundance Microclean Depth Filter, & other compatible models, ensuring a seamless fit & optimal performance. Dimensions: 5"L, x 8.5"OD x 4.75"Top Hole, x 4.75"Bottom Hole for a precise fit in your pool or spa system Utilizes advanced point bond filter media for superior filtration capabilities, effectively trapping biomass, dirt, debris, hair, leaves, & critters, maintaining a clean & safe pool or spa environment.