Unicel PG-1902 Partial DE Filter Grid | 12" | Hayward, Pentair, Astral | 24 Sq. Ft. Pool Maintenance Kits All Other Surfaces: Add the

All Other Surfaces: Add the product directly to water in the area of the stain

media version — OEM slate blue end caps (This is not an exhaustive list

The Unicel UHD-SR70 is a 72 sq

If your staining is green or blue-green — or you have a copper heat exchanger

Unicel PG-1902 Partial DE Filter Grid | 12" | Hayward, Pentair, Astral | 24 Sq. Ft. Pool Maintenance Kits All Other Surfaces: Add theThe Unicel PG 1902 is a single partial DE filter grid engineered for 24 square foot DE filter systems from Hayward, Pentair (American Products & Pac Fab), and Astral. At 12 inches in length, this precision built partial grid completes the 8 grid configuration required for a full filter service working alongside 7 Unicel FG 1002 full grids to restore peak filtration performance and pressure efficiency to your DE system. IMPORTANT: PARTIAL GRID NOT A