Sunsun HBL-303 90 GPH Hang-On Back Power Slim Filter Dimensions: 180mm x 145mm x 85mm / 7" x 6.7" x 3.3" Output: 90 Gallon per Hour (350L/H) Suitable for nano to 10 gallon aquariums Includes 2 filter cartridges Adjustable flow control knob to control filtration level