Product Details
The Combination Louver/Damper model ACL is designed for superior resistance to rain and weather, providing the option to completely close off the opening when necessary. It features a 4" deep channel frame with a 1-1/2" flange, drainable 45-degree fixed blades in the front, and adjustable rear blades with seals ensuring a tight shutoff, all within a single frame. The adjustable rear blades are operated using a thumb screw and come standard with a birdscreen at the back. This product is proudly made in the USA.
