Product Details
The combination louver/damper features superior resistance to rain and weather while allowing for complete closure of the opening when necessary. It includes a channel frame that measures 4" deep with a 1-1/2" flange, along with drainable 45-degree fixed blades in the front and adjustable blades with seals for a tight shutoff in the back, all integrated into 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.
