Marina A100 Air pump - 40 US gal. Marina Air Pumps are efficiently designed to increase water movement in aquariums for proper oxygenation, which helps to create a healthier environment for fish and live plants. They combine powerful and consistent airflow with silent operation for effective results. Ideal for aquariums up to 40 US Gal / 150 L Efficient: For increased oxygenation creating a healthy environment Powerful Airflow: Efficient design for optimal flow Silent: Sound dampening shell and vibration suppressing rubber feet Durable and Reliable: Consistent high-performance output For use in freshwater and saltwater aquariums Required: Airline tubing Recommended: Check Valve Single Outlet Output: 85 L per Hour.