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(total system) Set Composition 7 full grids (FG-1003) + 1 partial grid (PG-1903) Grid Length 18" (measured end-to-end
Complements any swimming pool
Higher temperatures accelerate problems: Your spa's warm water (100-104°F) makes phosphate-fed algae grow 3x faster than in pools
Reduces scum lines
Unicel PG-1905 Partial DE Filter Grid | 30" | 60 Sq. Ft. Systems | Hayward, Pentair, Jandy spinimages=36 (total system) Set Composition 7The Unicel PG 1905 is a single partial DE filter grid engineered for 60 square foot DE filter systems. At 30 inches in length, this partial grid is the companion piece to full size DE grids in a standard 7 full + 1 partial configuration used across Hayward, Pentair, Jandy, Astral, and Waterway Plastics filter systems. Precision manufactured with high grade DE filter fabric and reinforced construction, the PG 1905 is built to handle the demands of
