Check the listing for details. Replacement Unicel FS-2005 Filter Grid for American, Hayward, Pac-fab 7 Full + 1. Condition: New. Listed at 264.99 USD. The Unicel FS2005 Filter Grid Set is the perfect replacement set for your 60 sq. ft. Pentair, American, Hayward, Jandy, and Pac-Fab D.E. Pool Filters. Achieve maximum water quality with replacement Unicel Filter Grids for your D.E. filter. This kit is a set of eight that includes seven full grids and one partial grid. Made with mildew-resistant polypropylene, these Unicel Filter Grids capture and trap the smallest debris and bacteria, keeping your water healthy and clear. Easy to clean and install, Unicel Filter Grids are universal and fit Hayward, PacFab, and Sta-Rite D.E. filter models. Note: Collar has an open slot with two Notches. The length is measured from one end of the grid to the other, Not including the collar.