Unicel FS-2004 Complete DE Filter Grid Set | 48 sq. ft. | 7 Full + 1 Partial Grid | FG-1004 + PG-1904 TNIL This is the 1/2 HP

This is the 1/2 HP Utility Pump with 25'  cord

90" OD Pool or spa rail

Note: Do not backwash or clean filter within 48 hours after adding this product

Subtracting free chlorine from total provides the combined chlorine reading DPD 1

Sta-Rite and Jacuzzi Earthworks 48 systems use 8 full grids (FG-1004) with no partial grid required

Unicel FS-2004 Complete DE Filter Grid Set | 48 sq. ft. | 7 Full + 1 Partial Grid | FG-1004 + PG-1904 TNIL This is the 1/2 HPThe 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