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  • Air Circulation is critical in maintaing a healthy environment for your dairy herd. J & D Manufacturing helps to engineer your livestock’s environment for maximum comfort with your livestock cooling systems. The Barnstormer fan is a popular choice in J & D’s lineup of air movement systems.

    J & D Manufacturing Products

    Barnstormer Fans
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    Shutter Fans
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    Whirl-wind Galvanized Box Fans
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    Panel Fans
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