LSE Lighting Replacement UV Ultraviolet Bulb for Danner Sterilizer 12972 20W Brand: LSE Lighting - Professional Ultraviolet Lighting Long Life: 10,000hrs - Recommended to replace once a year Wattage: 20W - Base type: 4pin This UV bulb by LSE Lighting brand is 100% compatible UV replacement for use with Danner Pondmaster 02920 20W model. All lamps listed are compatible LSE Lighting brand UV products. We do not sell Danner brand lamps. All Danner brand names, trademarks and logos are property of Danner.