Supreme UV Sterilizer 20 Watt

The Supreme Clarifier UV Sterilizer is a submersible sterilizer in a watertight quartz sleeve. The sterilizer has glowing monitor rings that make it visible and shows that it is working. It comes with an 18ft cord and can be used in and out of water. UV Sterlizers control waterborne algae and prevent disease. All three versions have a 9000 hr life span. Good for 3000 Gal ponds.