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