Unicel Replacement Filter Cartridge 100 sq. ft. | Aquapro Apex 100 | C-9494 Inflatable Floats & Ride-Ons I have yellowish-brown stains on

I have yellowish-brown stains on my steps and nowhere else in the pool

Includes 1 to 33

it delivers consistent water clarity and long service life in residential pool applications

✓ 16 treatments: Each bottle provides up to 16 weekly treatments for average 300-gallon spa

Heavy-duty aluminum frame with plastic rim

Unicel Replacement Filter Cartridge 100 sq. ft. | Aquapro Apex 100 | C-9494 Inflatable Floats & Ride-Ons I have yellowish-brown stains onThe Unicel C 9494 is a 9000 Series 100 sq. ft. replacement filter cartridge engineered to exact OEM specifications for Aquapro Apex Series filters. With 133 precision formed pleats of 4 oz. Reemay 2040 spun bond polyester media, this cartridge delivers consistent flow, reliable water clarity, and a long service life all in a direct drop in fit that requires no modification. Specifications Filter Area 100 sq. ft. Length 25 3 16" Outer Diameter 10 1 16"