4 PACK Hayward CX880XRE, Super Star Clear / Swim Clear C4025 Replacement Filter Cartridges, Unicel C-7488, Pleatco PA106, Aladdin 20601, Filbur FC-1226 Swimming Pool Filter Cartridges PLEASE DOUBLE CHECK ... DOES YOUR CARTRIDGE MATCH THESE MEASUREMENTS ??? LENGTH: 25 1/2 inches ... OUTER DIAMETER: 7 inches ... INNER DIAMETER: 3 inches// 106 square feet ... 176 pleats MADE IN THE USA Replacement Cartridge fits: Hayward CX880RE, Super Star Clear / Swim Clear C4025, Unicel C-7488 Pleatco PA106, Filbur FC-1226, Aladdin 20601