Unicel -2005 60 Sq. Ft. complete Filter Grid Set (7 Full 1 Partial)

This Unicel -2005 Replacement Filter Grid is compatible with up-flow and down-flow filter systems such as American, Astral, Hayward, Jandy, Pac Fab, Premier Atlas, Sta-Rite and Waterway filter systems Package includes 7 full () and 1 partial grid () Captures debris as small as 2-5 microns Filter coverage area: 60 square feet Grids uses diatomaceous earth to filter debris Effective for a longer time between cleanings that other filter grids filters require less pumping power than other types of filters, so utility costs are lower Collar has open slot (2 notches). Length is measured from one end of the grid to the other (collar not included) Dimensions ( x ): 10.75 x 30 inches Weight: 9 pounds