Pondmaster 10W UV Pond Clarifier. It features glowing monitor halo rings that are visible from any angle, ensuring you know the unit is working. Equipped with a 9000-hour long-life, 10W lamp and water-tight quartz sleeve, this fully submersible design exposes water to UV light for maximum effectiveness. Suitable for ponds up to 1500 gallons and pumps up to 700 GPH, it comes with a 1-year limited warranty.
WARNING: In the event of breakage, this product can expose you to mercury, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov