CrystalClear PondAir 4, Complete Aeration Kit, Whisper Quiet Water Garden Oxygenation Bubbler System Adds Oxygen to Koi & Fish Ponds, Outdoor Aerator Compressor Pump, Tubing & 4 Air Submersible Stone

Small Aerator for Ponds up to 2,000 Gallons — Increases water circulation and oxygen saturation, making improvements to the natural ecosystem. Ideal for a backyard pond, water garden, or small outside fishpond.
Improves Water Quality & Clarity — Bottom-diffused aerators push air through an air stone and into your pond. Aeration supports a good option bacteria that work to clear pond water and get rid of muck.
Quiet Operation & Energy Efficient — Electric compressor equipment has near-silent operation and is designed to run 24/7, the use of only 8 watts of power. Aerate your koi pond for just pennies a month!
Quite a lot of Uses — Use throughout the winter months to lend a hand keep a hole in pond ice and to vent harmful gases. Aerator kits will also be used in a large aquarium, stock tank, or hydroponic application.
Optional Faux Rock Cover – Offer protection to your investment from the elements by adding a TrueRock Mini cover. The fake rock is vented for proper airflow to the equipment. Constructed of durable fiberglass.