Schaefer Ventilation offers many types and sizes of shutters, air intakes and roof vents for the agriculture, horticulture and industrial industries. Use Schaefer intakes to ease fresh air into rooms and buildings at your desired rate. Ideal for slower exchange rates and providing make up air to exhaust fans.
2013/2014 Schaefer Source Book Shutters Page 24
2013/2014 Schaefer Source Book Air Intakes Page 25
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