Pawfly 120 GPH Pond Aeration Kit Dual Outlets Adjustable Oxygen Aerator Pond Air Pump Kit with Stone Airline Tubing and Check Valve Accessories for Water Gardens & Koi Fish Ponds up to 500 Gallons Price: $39.99 (as of 20/09/2023 10:06 PST- Details)

Strong Output: With dual outlets to deliver 120 gallon steady air flow per hour with low energy consumption. Suitable for aeration in ponds or water gardens up to 500 Gallons.
High Efficiency: Max Air Flow Rate: 120 GPH; Pressure: 0.024 MPa; Power: 8 W. Well-built to be used 24/7. Do place it indoors or put the pump in a cabinet or under a proctective cover when used outdoors.
Adjustable Air Flow: Features a rotary knob to control the amount of air for dual outputs, allowing for your desired air flow to maintain a balanced pond environment.