| Turbo-Twist UV Sterilizer Replacement Lamp, 9 Watt Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV... ... more Turbo-Twist UV Sterilizer Replacement Lamp, 9 Watt Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV... Petco.com | | $47.95 go to store |