Strong Efficient: Max flow rate: up to 800 gallons per hour; Power: 3 W; Max Lift Height: 2.6 ft. Fit for fresh water up to 50 gallons and marine tanks up to 30 gallons. Easily drive the entire tank of water and greatly reduce the deposition of wastes. Compact but Powerful: Built with a heavy-duty pure copper motor which brings the wave maker with strong power for continuous water circulation. And the practical mini size makes it space-saving and won?t disrupt your tank layout. All-Round Circulation: The support of the wave maker pump can rotate 360 in the sucker base. Flexibly adjustable angles bring waves from multiple directions, leaving no stagnant water. Effectively clean the bottom to keep water healthy. Quiet Adjustable: The submersible circulation pump gives out noise less than 35 dB like a soft speaking voice. And the sliding switch on the front allows you to slightly adjust water flow rate as needed. Reliable Construction: With a built-in propeller-shaped ceramic shaft which is resistant to wear, corrosion and deformation, the power head water pump is dependable to endure running 24/7. Bring persistent power to create turbulence and natural sea waves. Product description