Aqua Twist 40 Watt UV Sterilizer w/Optional Wiper by Aqua Ultraviolet. **** PRODUCT MANUAL **** The Twist 40 Watt UV sterilizer is designed for maximum performance, power, and reliability. Ultraviolet is a proven dependable and effective method of controlling algae and harmful bacteria without leaving any residuals in the water. Aqua Ultraviolet utilizes the highest quality components designed to work perfectly together maximizing kill rates and insuring ease of installation and maintenance. The Twist 40 Watt UV Sterilizer is the premium choice for water sterilization or clarification for 1200-2000 gallon ponds. When used as a sterilizer it will control the amount of harmful bacteria in your pond creating a healthier environment for your ponds ecosystem. When using this unit as a clarifier it will clear ponds up to 6000 Gallons size with 50% to 75% plant coverage. The Twist series UV's are designed for flexible installation, a union in the body allows you to rotate the inlet and outlet to design a shap that works in the space available. An expansion union included with each Twist UV gives you the ability to create the optimal wattage for eahc installtion. If you decide to expand your water feature simply twist on the expansion union and add as many UV's as needed. Features: - Modular Units Allow You To Custom Fit Each Project - A Center Union Gives You The Flexibility To Turn - The Inlet Or Outlet To The Direction That Best Fits Your Plumbing - Easy Twist Cap For Easy Quartz Sleeve - Maintenance Just One Cap To Twist For Access To The Quartz Sleeve - Quick Release T?s For Easy Installation And Winterization - Clear Quartz Cap Lets You See The Glow That Tells You Your Lamp Is On - Slender Housing Design Allows For Higher UV Dosage - The Unit Is Designed For Maximum Flow Rates 40W Model Specifications: - Dimensions: 40-1/4" X 7-1/8" X 6-1/4" - Inlet/Outlet Size: 2" - Sterilizer Maximum Flow Rate: 2900 GPH - Clarifier Maximum Flow Rate: 3000 GPH - Fresh water application: 1200-2000 - Salt water application: 325 - Number of Lamps: 1 *HEAVY ITEM* - Price includes $10.00 of additional shipping cost.