Efficient: this powerful air pump is compact and very reliable. It has low energy consumption, is easy to maintain, and an oil free design ensures contamination free airQuiet: this quiet aquarium air pump is made with robust alloy casing that absorbs noise for whisper quiet operation. Runs at 40 decibels. Integrated rubber feet located on the bottom of the compressor minimize vibration4 outlet manifold: this fish tank air pump comes with a 4 outlet manifold. Perfect to run several water or fish farms, filters, and multiple air stones at once. Included is 6 inch tubing and 4 outlet manifoldVersatile: this hydroponics pump system can be for indoor or outdoor use. It is suited to both intermittent and continuous duty use. The filter casing can be removed so that fresh air can be delivered from the outside to your setupProduct Specifications: Product Type: Air, Max Flow: 0.71 CFM, Max Pressure: 0.2 bar, Weight: 2.5 kilograms, Dimensions (LxWxH): 9.06" x 7.28" x 7.09", Connector Size: 0.39, Manifold Size: 4 outlets, Power: 15W, 318 gallons per hour, Hailea packagingTHE V SERIES INDOOR AIR PUMPS FOR AQUATIC AND HYDROPONIC APPLICATIONS. The V series air pumps are ideal for larger hydroponic tanks and aquariums; they allow several air stones to be run from one pump so that a large amount of water can be aerated at one time. The filter cover on each pump can be removed so that clean air can be drawn from outside the grow room or tank house, making them ideal pumps for both aquatic and hydroponic applications.Designed to run several air stones from a single pump, the V 20 is suited to both intermittent and continuous duty use. Its robust alloy casing absorbs noise for whisper quiet operation and the filter cover can be removed, allowing clean air to be drawn from outside the grow room or tank house, making it ideal for both hydroponic and aquarium systems.This air pump is NOT SUBMERSIBLE. If the air pump is immersed into the water accidentally, please shut off the power supply immediately. To get the maximum air flow and extend air pump service life, we suggest cleaning airline tubing and air stone or diffuser regularly. The V20 compressor can be combined with aeration tubing and an aeration diffuser to supply dissolved oxygen directly to pond water, helping all biological processes and ensuring healthier water, fish, and plants.The V series pond aerators can also be used during cold winter months to keep a hole open in the ice formed at the surface of the pond, allowing for necessary de-gassing. Click add to cart to start enjoying all the benefits of the Blue Diamond Pumps V20 air pump now!