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File:Wind tunnel fan - 24ft diameter.jpg - Wikimedia Commons
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Kruger
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Reclaim Tunnel Fan - Elta Group Australia & Asia
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40-ft. diameter, 9-blade fan for the 14- x 22 ft. Subsonic Wind Tunnel Testing Facility at NASA Langley Research Center in Hampton, Va. : r/MachinePorn
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MoJet® - Next generation jet fans for tunnel ventilation
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Tunnel Fans | BALTOGAR
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Jet Fans - Efficient, AMCA certified for parking, tunnel ventilation
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Kruger
