The Sea Line SL-1000BH 1HP Aquarium Chiller is a compact, sleek and easy to install aquarium chiller and heater for small aquariumsFeatures:12,000 btus30 degree cooling up to 600 gallons. 10 degree cooling up to 1000 gallons. Note: These temperature pull-down ratings are in ideal situations. We highly recommend purchasing a chiller one size larger than the specifications would lead you to believe is necessary.Does not have a pump. The required flow through the chiller is between 500gph and 900gph3/4" Hose connectionsDimensions: 20" X 15.6" X 18.7"Microcomputer control systemExtra large refrigerating capacityFreon-free R134a refrigerant, which is safe and environmentally friendlyA superior quality condenser manufactured by the American OAK production lineAnti-corrosive, pure titanium for freshwater and saltwater useCompressor protection device system built to shut off the circuit automatically to prevent the motor from burning out when the motor is overheated due to overloadMemory temperature system that makes the chiller refrigerate continuously according to the last temperature settingConstructed of ABS plastic, which prevents rust and corrosionOne year warrantyNOTE: This item is drop-shipped directly from the manufacturer. We do not offer expedited shipping for this item.