Unicel PG-1902 24 sq ft Partial DE Filter Grid – a 12″ × 9¾″

Unicel PG-1902 24 sq ft Partial DE Filter Grid – a 12″ × 9¾″ vertical grid made from mildew-resistant polypropylene with an open-slot collar (2 notches). Captures microscopic debris and bacteria, fits American, Hayward, Pac-Fab, Sta-Rite & Astral DE filter housings, and features a quick rinse-and-reuse design for extended service life.