CONTROLLER OPTIONS CHARACTERISTICS1. There are 3 different sizes to suit different aquarium sizes. 2. Flow patters can be preprogramed to make changes every 6 hours to achieve the real eco environment. 3. Ceramic shaft and carbon bushing are employed to ensure pump’s longest lifespan. 4. The super strong magnetic holder applied is easy to install. The multiple vibration proof system helps to ensure a quiet working environment. 5. Small footprint but powerful. DC12V. Safe, reliable and high efficiency. 6. Universal voltage for use around the world. Voltage fluctuation will not exert influence on wave making. 7. Additional flow guiding ring is supplied to create strong flow. |