Permanent Elimination of Algae Bloomy to Get Rid of Green Water. * Instant Control of Harmful Parasites and Bacteria. * Efficient Prevention of Waterborne Pathogens for Healthier Aquatic Environment. * Fast Reduction of Unpleasant Odors to Improve Water Qualit. * Package includes: 1 x Ultraviolet Sterilizer (including 36 watts UV lamp), 1 x Inlet/Outlet Connector With rubber ring, 1 x Instruction manual.