Pond aeration windmills made of durable, long-lasting galvanized steelEliminate electricity costs and reduce annual maintenance to save time and moneyProfessional fish farm technology brought right into your backyard pondWind-powered pond aeration systems effectively aerate, circulate, and clean your pond's water. Industrial style kit is made from heavy-duty, 18-gauge galvanized steel, designed to last for decades. Works in as little as 5 mph winds to pump 1.5 cubic feet per minute of fresh air into your pond or water garden. Features a 64" diameter head with 12 durable blades. Works from as far as 1,000 ft away - allowing you to place the windmill in a location with the most wind exposure. Eliminates operating costs and reduces annual maintenance to save time and money. Requires membrane air Diffuser and Tubing Kit (with 3/8" diameter weighted tubing) for aeration. Optional Freeze Control System, with 2-gallon tank, control valve, and 3/8" diameter feed line continually checks line pressure and releases Ethanol alcohol to melt any line freezes in colder climates. Windmill Only does not include tower sections - perfect for use with existing towers or when building your own tower.--> 3-year manufacturer's warranty. Please click on "More Information" for assembly, care instructions, and product specifications.Please note: If you wish to ship the Windmill Kits or the Windmill Only by express service, additional shipping charges will apply during checkout.

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