londafish aquarium chillers aquarium fan fish tank cooling fan marine 2 fan londafish <p><b>description:</b></p> <ul> <li>great cooling fans provide powerful ventilation to reduce heat transference from aquarium equipment. extremely quiet operation with adjustable positioning, perfect for saltwater aquarium(reef and frag tank) and fresh water aquarium.</li> <li>no assembly required, easy and convenient for use. easy installation(clamp mounting bracket).</li> <li>low power consumption, adjustable 2 level of wind force.</li> <li>with a dc 12v power adapter </li> </ul> <p><b>specification:</b></p> <p>- type: 2 fans</p> <p>- fits tank rim up to:12mm thickness (adjustable)</p> <p>- cooling 2-3 degrees</p> <p>- voltage: 100-240v</p> <p>- power cord: approx. 120cm/47.2 inch</p> <p>- 2 fan size(lxwxh): approx.20.3x6.5x9.5cm/7.9x2.5x3.7inch</p> <p>- suggestions:2 fan fit for 40cm fish tank</p> <p><i><b>we offer 30-day money-back guarantee& free user support. </b></i></p> <ul> <li>if it doesn't working as expected, let us know indoor both temperature and size of your tank (dimensions and capacity), </li> <li>we will definitely help get our products to work properly. </li> <li>we take care of all quality-related issues with a replacement or full refund. please contact us for any problem.</li> </ul>