Unicel C-8610 Replacement Filter Cartridge | 100 sq. ft. | Hayward Star-Clear II C1100 Alkalinity Adjusters 2 notches Set Contents 7

2 notches Set Contents 7 full grids (FG-1004) + 1 partial grid (PG-1904) = 8 grids total Replaces OEM Part # 59000500 (complete set)

Additionally

Reemay 2040 spunbond polyester media

Total alkalinity 80 ppm to 120 ppm

replacement filter cartridge engineered for Jacuzzi front-load skim filter systems and a range of compatible spa brands

Unicel C-8610 Replacement Filter Cartridge | 100 sq. ft. | Hayward Star-Clear II C1100 Alkalinity Adjusters 2 notches Set Contents 7The Unicel C 8610 is an 8000 Series 100 sq. ft. replacement filter cartridge engineered for large residential pool filtration systems. Built with 4 oz. Reemay 2040 media across 153 precision pleats, it delivers dependable dirt holding capacity and flow through performance in high demand single cartridge housings. Specifications Filter Area 100 sq. ft. Length 23 5 16" Outer Diameter 8 1 2" Top Inner Diameter 4" Bottom Inner Diameter 4" Material 4 oz.