CrystalClear PondAir 2, Complete Aeration Kit, Whisper Quiet Water Garden Oxygenation Bubbler System Adds Oxygen to Koi & Fish Ponds, Outdoor Aerator Compressor Pump, Tubing & 2 Air Submersible Stone

Small Aerator for Ponds up to 1,000 Gallons — Increases water circulation and oxygen saturation, bettering the natural ecosystem. Ideal for a backyard pond, water garden, or small out of doors fishpond.
Improves Water Quality & Clarity — Bottom-diffused aerators push air through an air stone and into your pond. Aeration supports advisable bacteria that work to clear pond water and do away with muck.
Quiet Operation & Energy Efficient — Electric compressor equipment has near-silent operation and is designed to run 24/7, the usage of only 4 watts of power. Aerate your koi pond for just pennies a month!
More than a few Uses — Use throughout the winter months to lend a hand keep a hole in pond ice and to vent harmful gases. Aerator kits can be used in a large aquarium, stock tank, or hydroponic application.
Optional Faux Rock Cover – Give 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.