Check the listing for details. 15W UV Pond Water Clarifier by Evolution Aqua EVO. Condition: New. Listed at 254.99 USD. 15W UV Pond Water Clarifier by Evolution Aqua EVOevo 15W UV Pond Clarifier - 4,000 US Gallons 2,000 US GPH - 15W (1 x 15W T8) - 1½" 2 x 1½" Threaded Hosetails 20.9" length x 6.6" high x 3.5" deep The Evolution Aqua evo UV deliver a more efficient and more economical performance than before thanks to their new design. The new range includes completely redesigned 30 Watt and 55 Watt models and a 110 UV, a 15 Watt and 25 Watt model perfect for use on the smaller garden pond, along with a 75 Watt version. Our new range of evo UV pond clarifiers have been manufactured to deliver optimum performance at all times. evo UVs have been designed to clear green water, which is caused by single celled green algae, and prevent it from returning. Eradicates green water in garden ponds Features highly efficient ballasts IP Rating of IPX5 Easy to maintain, easy to install Ballast located in a fully water-tight cover Connects to flexi-hose or rigid pipework 5 models; 15W, 25W, 30W, 55W, & 110W How to set-up and install an Evolution Aqua evoUV Video will open in a new window Using the eBay App? Paste link into a browser window: [isdntekvideo]