- Powerful Fish Tank Air Pump: With a maximum airflow rate of 255 GPH (4 LPM) and a pressure of 0.02 MPa, this 12-watt aquarium air pump is compatible with both freshwater and saltwater tanks ranging from 1 to 255 gallons. It ensures a vibrant and healthy environment for your fish, coral, and other aquatic life, all while operating efficiently without overheating. - Adjustable Airflow: The convenient adjusting knob allows you to tailor the airflow for your specific tank size and the desired bubble size, providing flexibility for different aquatic setups. - Quiet Operation: Designed with a double-layer construction, this aerator pump operates at just 40 dB. The internal plastic cover muffles motor sounds, while the external layer minimizes operational noise. The four non-slip rubber feet further reduce vibration noise and prevent slippage, enhancing your living space's tranquility. - Durable and Reliable: Constructed from high-quality ABS plastic, this pump features an all-copper motor, ensuring long-lasting performance. It consumes low energy, making it suitable for continuous 24/7 operation. The four-outlet design accommodates large fish tanks, aquariums, hydroponics, and seafood stalls, expanding its utility. - Practical Applications: Ideal for both home aquarium enthusiasts and commercial setups, this air pump can enhance oxygenation in large aquariums, support hydroponics gardening, or maintain optimal conditions in seafood displays. Experience the benefits of a well-oxygenated aquatic environment with this robust and efficient air pump.