Arrow Logo


4" Deep Automatic Combination Louver - Intake or Discharge
4" deep non-drainable combination louver with backdraft blades, for intake or exhaust applications.

Quick Specs - Louvers

Specifier Name(s)377
Blade Angle40° & Adjustable
NameStraight Blade (J-Blade)
Material OptionsAluminum, or Aluminum 6063 Alloy
Blade OrientationHorizontal
Drainable BladeNo
Panel Minimum Size(s)W: 12"x H: 12"
Panel Maximum Size(s)W: 48"x H: 96"

Detailed Specs

*For additional options/configurations see spec sheet or contact the factory.
*This info listed here is For Reference ONLY, Please Refer to the Submittal For Full Product Data

Product Submittal

Product Submittal
View / Download

Options & Product Literature

Quick Links

Other 377 Literature

Are you looking for a

Sales Representative?

Find your local sales office right now!