Product Details
The Combination Louver / Damper provides exceptional resistance to rain and adverse weather conditions while allowing for complete closure of the opening when necessary. It features a 4" deep channel frame with a 1-1/2" flange and drainable 45-degree fixed blades in the front, complemented by adjustable blades with seals for a tight shutoff in the rear, all integrated within a single frame. The adjustable rear blades can be operated using a thumb screw and come standard with a birdscreen on the back. This product is proudly made in the USA.
