Pentek ECP1-BB Pleated Cellulose Polyester Filter Cartridge, 9-3/4 inch x 4-1/2 inch, 1 Micron

The Pentek ECP1-BB Sediment Water Filter media is pleated around a rugged polypropylene core for additional strength, with end caps and gasket fused together for a unified and reliable whole. This filter is a great deal, with more surface area than most competitive cartridges (18 square feet of media, compared to 13.5 square feet in other brands). It's easy to install, with a long-lasting filter life. Recommended for chlorinated water supplies only.

1 Micron Pleated Cellulose--ultrafine filtration in a clean, reusable cartridge Strong and reliable, with a special formulation of resin-impregnated cellulose and polyester fibers Provides higher wet strength than regular cellulose cartridges. Features high flow rates and dirt-holding capacity, while maintaining extremely low pressure drop.