20″ Schaefer economy aluminum shutters allow airflow in a single direction and are used as building air inlets to feed Schaefer exhaust fans, or on exhaust fans to prevent air entry when the fan is not operating.
Aluminum shutters are built tough for long life in the most demanding environments, all at an affordable price.
Constructed of heavy-duty brushed aluminum for corrosion resistance and greater durability
Interlocking louvers for maximum weather protection and lightweight for high efficiency and easy installation
Tie bar to eliminate shutter flapping
Shutter motor kits available for automated opening/closing
- Mount Included
- Rough-in Dimensions
- 36.5" wide x 37" high
- Product Dimensions (l X W X H Inches)
- Product Net Weight (lbs)
- Product Color
- Country Of Origin
- Opening Area (sq. Ft.)
- Cfm (@0.05")