- High-Performance Air Pump: Achieve optimal aeration in your aquarium with a maximum air flow rate of 255GPH and a pressure of 0.02MPa. Suitable for both freshwater and saltwater tanks of 1-255 gallons, this energy-efficient air pump keeps your aquatic environment lively without overheating. - Customizable Airflow: Easily tailor the airflow to fit your specific tank or pond size with the adjustable knob, allowing you to create the perfect bubble size for your fish and aquatic plants. - Quiet Operation: The innovative double-layer design minimizes noise, operating at just 40 dB. The internal cover dampens motor sounds while the external seal reduces machine noise. Non-slip rubber feet provide added stability, ensuring a peaceful environment for you and your pets. - Durable and Reliable Construction: Crafted from high-quality ABS plastic with an all-copper motor, this air pump is built to last. Its low energy consumption enables reliable operation 24/7, making it a sustainable choice for your aquarium needs. - Versatile Applications: With its 4 outlet design, this air pump is perfect for large fish tanks, aquariums, hydroponics, or even seafood stalls. Experience flexibility and efficiency regardless of your aquatic setup. - Ideal for Aquatic Life: Create a thriving habitat for fish, corals, and other marine creatures, ensuring their health and vitality. Whether you're a hobbyist or a professional, this air pump is an essential tool for maintaining your aquatic ecosystem.