This is a Harmsco Standard Cartridge Filter Element with a media area of 105 Square Feet. This filter cartridge is designed for BetterFilter BF105.
Harmsco SuperTuf Polyester-Plus cartridges offer superior water clarity, polish, and sparkle for your swimming pool water. Polyester-Plus, a technical media exclusive to Harmsco, filters from 20 microns down to between 3-5 microns. This offers you the finest filtration available – as fine as diatomaceous earth! The corrugated construction keeps pleats separated and enhances efficiency. With more than 4000 clear channels to the center tube, for maximum flow under all conditions, the entire filtering surface is fully used.