Unicel 7 FG-1005 D.E. Filters Full Grid 60 Sq Ft 30" 7 Required FG1005 FC-9350 Pair with 1 partial grid (PG1905) for the complete set Replacement for: American, Hayward, Pac-Fab, Sta-Rite, Jandy, Astral, Waterway, Jacuzzi 30" long 11" wide 60 sq. ft.