LSE Lighting Replacement UV Lamp 36 W watt Bulb for use with Oase Bitron 36C 72C Clarifier Brand: LSE Lighting Wattage: 36W Type: Ultraviolet Germicidal UV UVC Lamp Base: 2G11 4pin (in a row) Great Quality and Long Life - Compatible Replacement for Oase Bitron 36C 72C Clarifier