Description
Replacement DE filter grid sized 11 in x 18 in with 36 sq ft filtration area. Designed for use in large 18-inch diatomaceous earth pool and spa filters, it fits models from Astral, Hayward, Jacuzzi, Pentair, and Waterway. Constructed with reinforced connections and polypropylene filter cloth to provide consistent filtration and dirt retention compared with standard grids.
