The Perfect Solution for driving Protein Skimmers. Compact in dimension, made to fit most Protein Skimmers, coupled with NEW Power needle Wheel to product constant micro bubbles. Safe, quiet and reliable. Conforming to European Safety Standards. High performance ceramics for quiet running smoothness and extremely long service life. Suitable for long-term use inside or outside of water. Technical Data: Pump output: 800-2700L/h Delivery Head: 2.2m Hmax Dimensions: 138H x 82L x 115mmD 3 Year guarantee.