Hayward C9002SEP ProGrid D.E. Pool Filter Seperation Tank For vertical grid D.E. filters with up to 80-Feet 2 of filtration area Comes complete with 2-Inch FIP or 2-Inch SKT connections for full-flow performance Rugged, reusable polypropylene containment bag holds up to 10 lbs. of used D.E. filter powder Single locking knob for easy access