200mm (8 Inch) Heavy Plate Airstone, Aeration for Koi Ponds & Aquariums, Air Stone for Larger Pump Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, Hydroponic, Fish Tank

• 200mm or 8 Inch Diameter, 28mm Deep
• 8mm Standard Fitting.
• Heavy Plate Design To Sit On The Bottom Of The Pond
• Provides Essential Oxygen

Heavy duty , High output airstone for all types of pumps. Gives Out Upto 20 litres Per Minute, this will depend on the output of the airpump. 8"/200mm Plate Airstone for Koi Ponds & Aquariums, Air Stone for Larger Pump Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, hydroponic, Fish Tank or Any Aeration Need. Fine Bubbles: The plate air stone disc produces lots of rich micro bubbles of oxygen. A great way to oxygenate your hydroponic growing systems, koi fish ponds, water gardens, aquariums and enliven the aquatic life and create a healthy habitat. Made of minerals that are sintered at a high temperature, to encourage longer lasting product. Perfect for both fresh and salt water environments like fish tanks, water gardens, bird baths, ponds, DWC reservoirs, aquariums and more. Airflow dependent on depth of Pond and output of airpump. Pump required, Not Included