The Intex Krystal Clear C2500 Cartridge Filter Pump with GFCI for Above Ground Swimming Pools (110-120 Volt) is easy to install. Just attach hoses with clamps. Features cartridge gauge to easily find out if its time to change or clean the cartridge. Turnover rate/System flow: 1,900GPH. For pools 4,000-15,200 gallons.