13w Uv Sterilizer Submersible Water Clarifier For Aquariums And Ponds. Transform Your Aquarium into a Pristine Underwater Haven with This Premium UV Sterilizer. Designed to Promote a Healthy and Clear Ecosystem, It Features High Transmission Quartz Glass That Efficiently Emits UV Rays to Eradicate Algae and Harmful Bacteria. Its Easy-to-use Design, Complemented by Strong Suction Cups, Allows for Hassle-free Installation, Ensuring Sparkling Water Within a Week. Features: - Efficient UV Emission: Superior Sterilization with High Transmission Quartz Glass. - Algae and Bacteria Control: Maintains Clear Water and Vibrant Ecosystems. - Easy Installation: Secure Setup with Strong Suction Cups. - Quick Performance: Achieves Clear Water Rapidly, Ideal for Filter Tanks. - Usage Recommendation: Optimal Results with 3-4 Uses Per Week. - Ideal Gift: Perfect for Aquarium Enthusiasts. --- - Material: Quartz Glass - Available Lengths: 18.5 Cm, 22 Cm, 24.5 Cm - Diameter: 1.9 Cm - Voltage Range: 110-240V - Power Options: 5W, 7W, 9W, 11W, 13W - Plug Types: US, EU - Compatible Tank Sizes: Under 50 Cm, 90 Cm, 120 Cm, 200 Cm Enhance Your Aquatic Environment Effortlessly and Effectively..