Product details:

The Tetra Pond Pond Waterfall Pump 3600 provides excellent flow and is ideal for powering large waterfalls up to 3,600 gallons per hour. The energy efficient motor and precision design provide extra long durability and reliability. Provides powerful water flow for large waterfalls Energy efficient for extra long life Simple to install Connects to 1.25", 1.5", and 1.75" tubing, and 1.5" PVC pipe.