submersible water pump DB series with CE and Rohs certificate. Use in the following field: Aquarium tank,pond,pool. submersible water pump Power ... dirty cleaning of dirt.2, clean water, remove the front cover and water, with little brush or dirt, water erosion, don't move pump ... up,3, do not directly with power took pumps,4, not in water,5 and in clean water. ( function(){ var aBigImageSrc = [ 'http ...