Unicel FS-2004 Complete DE Filter Grid Set | 48 sq. ft. | 7 Full + 1 Partial Grid | FG-1004 + PG-1904 Scale & Stain Removers Phenol red 7

Phenol red 7

No shocking necessary

PRO SERIES® Algaecide™ is used to control and prevent the growth of algae in swimming pools and swimming pools with attached spas

It is designed for pools 18 to 22 feet in width

Unicel FS-2004 Complete DE Filter Grid Set | 48 sq. ft. | 7 Full + 1 Partial Grid | FG-1004 + PG-1904 Scale & Stain Removers Phenol red 7The Unicel FS 2004 is a complete replacement DE filter grid set for 48 square foot diatomaceous earth filter systems. This set includes all 8 grids needed for a full filter re grid 7 full size grids (FG 1004) plus 1 partial grid (PG 1904) restoring your filter to factory performance in a single service. Complete DE Filter Grid Set 8 Grids Included This set includes everything needed for one complete filter re grid: 7 full grids (FG 1004) + 1 partial