Feature: 1. Oxygenation, Filtration: Aquarium filter can produce dense bubbles to increase the oxygen content; in addition, the filter can filter and break down impurities to keep the fish tank water clean. 2. Quiet Operation: Aquarium filter air pump keeps quiet oxygenation, air driven, will not cause disturbance, the oxygenation pump has anti vibration feet, the noise is very small and does not affect life. 3. Adjustable Flow: Aquarium filter air pump can adjust the air flow, air control valve is perfect for regulating the amount of oxygen, just turn the knob to easily increase or slow down the airflow. 4. Parameters: The power of the aerator pump is 3W and the air volume of the aerator pump is 3L/MIN. the size is compact and tight, easy to install and use. 5. Premium Material: Aquarium filter air pump is made of premium plastic, strong and durable, not easy to damage, long service life. Specification: Item Type: Aquarium Filter Air Pump Material: Plastic Size: Approx. 8x8x5.5cm / 3.1x3.1x2.2in Total Height: Approx. 8cm/3.1in Uses: Aquarium Water Fairy Filtration, Oxygen Pump Oxygenation Pump Power: 3W Oxygenation Pump Air Volume: 3L/MIN . Package List: 1 x Aquarium Filter 1 x Regulating Tube1 x Air Pump 1 x Instruction Manual1 x Hose Note: Manual measurement please allow some error.