Product Details
The combination louver/damper provides excellent resistance to rain and weather while allowing for complete closure of the opening when necessary. It features a channel frame that is 4" deep with a 1-1/2" flange and includes drainable 45-degree fixed blades at the front, complemented by adjustable blades with seals for a tight shutoff at the rear, all within a single frame. The adjustable rear blades are operated using a thumb screw and come equipped with a standard birdscreen on the back. This product is made in the USA.
