The Maxspect Jump Gyre MJGF2K uses gyre flow technology to ensure a highly efficient waterflow around the aquarium. This technology eliminates dead spots by providing an evenly distributed flow rate as water bounces back from the other side, creating a full circulation i.e. “gyre flow”.Pump controller included, which allows the user to run a 24 hour programmable cycle with ease, over a variety of different flow patterns. Near-silent operation due to sine wave technology, meaning the electricity current alternates in a much smoother pendulum compared to traditional technology, leading to a lower decibel level.Features Gyre Flow technology virtually eliminates dead spots. Evenly distributed, linear flow. Includes 2 x black rotors which can replace the orange ones supplied. Discrete profile. Can be mounted vertically or horizontally. Magnetic mount. 1 year warranty. Dimensions: L223 x W72 x H38mm.Power Consumption: 25w.Flow Rate: 7,000 L/H.Suitable for Aquariums: 50-250L.Glass Thickness : Standard 15mm.