Your pool is going to look super clean when this Intex 2500 GPH Filter Pump with Timer makes its way to your backyard. This pump also comes with 3 backup cartridge filters. Designed for Intex 24-foot and 18-foot Easy Set pools, Frame Set pools, Ellipse Oval pools, Rectangular Frame pools and similar sized swimming pools from other manufacturers such as Sand-n-Sun and Aqua-Leisure. It features a built-in automatic timer that allows you to set a daily cleaning cycle convenient to your busy schedule. For added protection, this model features a ground fault circuit interrupter (GFCI) which prevents circuit overloads. Your pump will shut off automatically if the electrical current is exposed to water. It uses Type B filter cartridges (29005E) which should be changed every couple of weeks. Easily keep your above ground pool water clean and refreshing with the Intex 2500 GPH Filter Pump With Timer. The Intex Pool Easy Set Type B Replacement Filter Cartridge is constructed with 63 pleats made out of 13.5 square feet of high quality Dacron. This filter cartridge was designed to keep your Intex or other compatible filter pumps running longer and stronger. Replace this filter cartridge every 2 weeks for peak performance.