CALL TODAY

Rapid City, SD | Sioux Falls, SD | Bismarck, ND

CALL TODAY

Rapid City, SD | Sioux Falls, SD | Bismarck, ND

Outside Air Louvers

Stationary 2″ Outside Air Louver

4550

  • Extruded aluminum construction
  • Standard flange frame
  • 2″ depth

Adjustable 4″ Outside Air Louver

4600

  • Extruded aluminum construction
  • Standard flange frame
  • 4″ depth

Stationary 4″ Outside Air Louver Radius and Special Shapes

4700

  • Extruded aluminum construction
  • Standard flange frame
  • 4″ depth

Extruded Aluminum Brick Vent (4″ depth)

4800

  • Storm resistant brick vent
  • Extruded aluminum construction
  • Standard channel frame

Round Aluminum Vent Louver

4901

  • Lightweight aluminum vent louver
  • Able to withstand wet and corrosive environments
  • Mounting springs secure vent in duct