Laguna Pressure-Flo 2100 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 20-watt UV lamp and foam media; Clogging indicator tells you when cleaning is required Water flow of 1050 gallons per hour when high load of fish in sunlight; Water flow of 2110 gallons per hour when low load of fish in shade Please contact Customer Service at 800.225.2700 for any queries.