Unicel C-8411 Replacement Filter Cartridge | 75 sq. ft. | 8000 Series C4313 will turn sample to pink

will turn sample to pink if free chlorine is present

Some foaming is expected during the purge process

Constructed from 4 oz

measure your existing element — length and outer diameter are the two numbers that matter most for fit

Unicel C-8411 Replacement Filter Cartridge | 75 sq. ft. | 8000 Series C4313 will turn sample to pinkThe Unicel C 8411 is an 8000 Series 75 sq. ft. replacement filter cartridge engineered for precision fit across multiple leading pool filter systems. With 145 pleats of heavy duty 4 oz. Reemay 2040 polyester media, the C 8411 delivers maximum surface area and exceptional dirt holding capacity keeping your water cleaner between service intervals and extending the time between cleanings. Specifications Filter Area 75 sq. ft. Length 17 3 8" Outer