Sunsun HBL-302 90 GPH Hang-On Back Power Slim Filter Dimensions: 144mm x 114mm x 41mm / 5.7" x 4.5" x 1.6" 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