Cartridge, 100 SQFT
<p>Replacement Filter Cartridge Compatible with Hayward®, 100 SQFT Hayward® CX870XRE, Super-Star-Clear C4000, SwimClear C4020, Super-Star-Clear C4000S (stainless steel), open with molded gasket. Media=3oz, <strong>Dimensions</strong> Outside Diameter: 7" Height: 25-1/2" Top ID: 3" Bottom ID: 3"</p>