LSE Lighting 9W UV Lamp for Aquarium Green Killing Internal Sterilizer Powerhead Brand: LSE Lighting Length Overall: 5" - Wattage: 7W This UV Lamp by LSE Lighting Brand is 100% compatible for use with Aquarium Green Killing Internal Sterilizer Powerhead 9W system. All lamps listed are compatible LSE Lighting brand UV products. We do not sell AA Aquarium brand lamps. All AA Aquarium brand names, trademarks and logos are property of AA Aquarium.