4 in. x 8 ft. UL 2158A Transition Duct Louvered Vent Kit
https://www.probuilderswarehouse.com/shop/1008719027-0-4-in-x-8-ft-ul-2158a-transition-duct-louvered-vent-kit-387942
https://www.probuilderswarehouse.com/web/image/product.template/387942/image_1920?unique=b31ad15
Brand: Lambro
Model: 1379W
SKU#: 1008719027.0
Barcode: 323184593
