Pleatco PJAN85-PAK4 Filter Cartridge Set for Jandy CL and CV 340 - 4 Pack. Easy, efficient and the best filtration in the industry. The PJAN85-PAK4, each cartridge contains an area of 85 sq. ft, all four together totaling 340 Sq FtTake advantage of Pleatco Advanced cartridges that are scientifically engineered to provide more thorough cleaning and longer lifespans. Pleatco Advanced media contains more fibers per unit area, offering far greater volume dirt holding capacity than other filtration