The OptiMax line of aquarium pumps allows you to have optimal water circulation and displacement with ease. The OptiMax 135i with adjustable flow control is ideal for wavemaker applications for both marine and freshwater tanks. This compact pump boasts quiet operation and a high efficiency rate. OptiMax is proven to use less energy and still have more output than other standard pumps. With the pump s lightweight body you will have no trouble quickly placing the pump and securing it using the suction cup feet. Designed using German engineering and manufactured in Italy this pump is protected with a 3 year warranty.