Description Please Refer to the Dimension Drawing for the Specific Size Purpose: Pump Water in Any Environment (Note: Do Not Use Strong Acid or Alkali, Gasoline or High Temperature) Material: Engineering Plastics Driving Mode: Electric Principle: Centrifugal Pump Installation Steps: 1. Connect Water Pipes at Both Ends In Is the Water Inlet Out Is the Water Outlet 2. Connect the Electric Hand Drill The Rotation Direction of the Electric Hand Drill Should Follow the Direction Indicated 3. Install the Filter Head If There Are Requirements for Water Quality, It Can Be Installed, but If There Are No Requirements, It Can Not Be Installed Weights&Dimensions Weight: 400g (0.88 Lb) Size: 12.5cm * 10.77cm (4.92 * 4.24 Inches) Upper and Lower Diameter: 7.86cm (3.09in).