Model Number: QL-PM30-150Type: Hand Tool PartsOrigin: Mainland ChinaPlace of Origin: Guangdong, ChinaProduct name: koi pond drum filterName: drum filterMax treatment flow: 30-150m³/hRoller diameter: 0.5m-1.03mRoller length: Roller lengthFigure size: 1.1m*0.9m*0.9m-2.3m*1.4m*1.2mBackwash pump power: 0.75Kw-1.1KwInlet diameter: 0.16m-0.25mOutlet diameter: 0.16m-0.25mReducer power: 0.18Kw-0.55Kw Koi Fish Pond Farm Bio Filter System Koi Pond Rotary Drum Filter Aquaculture Fi