Laguna Pressure-Flo 1400 UVC Filter High performance water filtering system that keeps pond water clear and healthy Can be installed in or above ground; 16-foot long power cord Includes 11-watt UV lamp, filter foam and Biospheres biomedia Clogging indicator tells you when cleaning is required Water flow of 660 gallons per hour when high load of fish in sunlight; Water flow of 1320 gallons per hour when low load of fish in shade