SUNSUN HBL-301 Hang on Filter pump for your medium or small-sized fish tank, convenient for washing, the total mute effect has a biochemical filter plate with carbon. For both fresh water and seawater. Flow can be adjusted according to need Impeller must be put into the water completely to avoid equipment burn away Water inlet, depth in water and gradient can be adjusted The flow can be adjusted according to the need using the switch Mute effect Biochemical filter Convenient for washing Easy to Handle Parameters