Unicel 105 Sq. Ft. Cartridge For Clean and Clear Plus 420 & Crystal Water 425 | C-7471The Unicel C 7471 Filter Cartridge is engineered for dependable mechanical filtration in large cartridge pool filter systems that utilize a 105 square foot element. It features approximately 168 uniform pleats of spun bonded polyester media designed to capture fine debris and contaminants while allowing steady circulation through the filter. With dimensions of roughly 7 inches in diameter and 26 1 16 inches in length, and open 3 inch end caps, the