UNICEL FG1003 D.E. Filter Full Grid 36 Square Ft 7 Required Warranty<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement for: American， Hayward， Pac-Fab， Sta-Rite， Astral， Waterway， Jacuzzi</li><li>18" long</li><li>11" wide</li><li>36 sq. ft.</li><li>Can Be Used as Replacement: Filbur FC-9330， Unicel FG-1003， Hayward Filter Grids， Astrial Grids， Jandy Grids， Pentair Grids， American Products Grids， Pac Fab Grids， Sta-Rite and Waterway Grids</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31MqsobidXL.jpg" noproxy>