Wash down Duty Circulation Fans Increase productivity and improve work area safety with high performance Schaefer wash down duty air circulators. Designed to withstand frequent washing and for long life in wet and moist environments these fans are ideal for food and beverage processing facilities, kitchens, hospitals and other clean, corrosive or humid environments. Features and Benefits: Choice of 3 sizes: 20″, 24″ and 30″ diameter Corrosion resistant electro-polished 304 stainless steel, OSHA compliant, guards. Extremely high airflow compared to competitive offerings. Pedestals and stainless steel wall mounts available.