Small Aerator for Ponds up to 3,000 Gallons and 4 Feet Deep -- Increases water circulation and oxygen saturation, improving the natural ecosystem. Ideal for a backyard pond or small outdoor fishpond. Improves Water Quality & Clarity -- Bottom-diffused aerators push air through a diffuser stick and into your pond. Aeration supports beneficial bacteria, that clear pond water and eliminate pond muck. Quiet Operation & Energy Efficient -- Electric compressor equipment has near-silent operation and is designed to run 24/7, using only 17 watts of power. Aerate your koi pond for just pennies a day. Various Uses -- Use during the winter months to help keep a hole in pond ice and to vent harmful gases. Aerator kits can also be used in a large aquarium, stock tank, or hydroponic application. Optional Faux Rock Cover - Protect your investment from the elements by adding a TrueRock Small Boulder cover. Boulder is vented for proper airflow to the equipment. Durable fiberglass construction., Weight: 10.58 Pounds, Manufacturer: The Pond Guy