Harness the power of the wind and save money on your energy bills with our Single Diaphragm Windmill Aeration System. Features & Benefits: Ideal for smaller ponds up to one Acre. The system can transfer up to 25,000 cubic feet of oxygen per month into your water source. Runs up to two airstones. Works in low wind conditions with as little as 3-5 mph Provides bottom-up aeration for your pond, encouraging oxygenation of the water. Vent off unwanted gases. Prevent stagnant water, pond turnover, and fish kills. Galvanized windmill for enhanced durability in harsh environmental conditions. Included: Windmill head and tower. Single Diaphragm Compressor 100’ of UV and Heat Resistant Poly Tubing Airline 1 Airstone Diffuser with Foot Valve. Full 1-year warranty Please see the sections below to learn more about the SD Windmill Aeration System