Replaces airstones and wastewater rubber membranes.These Airstations have been designed for pond and lake aeration only.

Kit includes 1 Vertex CoActive Airstation Assembly, internal check valves and plumbing to retro-fit your Windmill diffuser. Specify 3/8 or 1/2 inch hose, (pictured with standard unweighted 3/8 inch hose).

7"Airstone shown supplies approximately 500 gallons per minute of water turnover at 1.5CFM in 12ft of water (12 mph wind required). Replace with a Vertex self weighted CoActive AirStation and circulate 2778 gallons per minute at only 1 CFM of air.