Bubble-Magus skimmers are practical and highly efficient. These skimmers offer innovative features along with reliable pumps at an affordable price: which makes them a great value. The Curve 7 protein skimmer has all the right features to make a great skimmer. These features include: A needle wheel pump with a venturi intake that produces just the right amount and size of air bubbles A bubble plate to reduce the turbulence in the reaction chamber An innovative 'curve' skimmer body that allow the foam to smoothly rise to the collection cup An air silencer to ensure quiet operation A quick-release collection cup and skimmer body for easy cleaning A collection cup drain to reduce maintenance frequency A compact footprint that allows easy installation. Specifications: Tank Capability: 185G-240G Pump: ROCK - SP2000 Pump power: 16W, 220V 50Hz Dimensions: 9.25"L x 7.87"W x 20.8"? Water Level: 9.5"-11"