Brand New 4 pack of Pleatco PJAN85-PAK4-EC Pool Filter Cartridge Replacement for Unicel: C-7459-4, Filbur: FC-6405, OEM Part Numbers: A0557900, White Direct Pool Filter Cartridge Replacement for: C-7459-4, FC-6405, A0557900. Also works with the following: Jandy Industries CL340, CV340 ☑️Specifications: DIAMETER: 7.125", 180.975 mm, LENGTH: 26.9375", 684.2125 mm, TOP HOLE SIZE: 3", 76.2 mm, BOTTOM HOLE SIZE: 3", 76.2 mm, MEDIA SQUARE FEET: 340, MEDIA WEIGHT: 4 oz. ☑️Featuring: Reinforced Center Cores, Super-Bond Bands, Break Resistant End Caps & Pleatco Smart Tracker Time Stamping ☑️PleatcoPure: Free Flow Core for Maximum Water Flow Paired with Pleatco Advanced Filtration 4 Oz. Fabrics that are Uniformly Point Bonded with the Highest Fiber Count in the Industry D1004