LSE Lighting compatible 18W UV Bulb for 20018 Emperor Aquatics Sterilizer Brand: LSE Lighting Length: 14 1/2" - Average Life: 10,000hrs Base: 4-Pin Base T5 (4 pins on ONE END): Wattage: 18W This UV lamp replacement by (LSE Lighting brand) is 100% compatible for use with Emperor Aquatics 18W Smart UV sterilizer. All UV lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Emperor Aquatics brand lamps. All Emperor Aquatics brand names, trademarks and logos are property of Emperor Aquatics.