Product Details
The Combination Louver / Damper model ACL provides excellent resistance to rain and weather, allowing for complete closure of the opening when needed. It features a channel frame that is 4 inches deep with a 1-1/2 inch flange, incorporating drainable 45 degree fixed blades at the front and adjustable rear blades with seals for tight shutoff, all within a single frame. The adjustable rear blades can be operated using a thumb screw and come standard with birdscreen on the back. This product is made in the USA.
