Product Details
The ACL-F-48X42 Combination Louver/Damper measures 48"W x 42"H and features a design that provides superior resistance to rain and weather, while allowing for complete closure of the opening when necessary. It includes a channel frame that is 4" deep with a 1-1/2" flange, and it incorporates drainable 45-degree fixed blades in the front along with adjustable rear blades equipped with seals for tight shutoff. The adjustable rear blades are operated using a thumb screw and come standard with birdscreen on the back. This product is made in the USA and is compliant with relevant industry standards.
