Straight Duct Connector 8in
https://www.dlw.co/shop/401008-straight-duct-connector-8in-13633
https://www.dlw.co/web/image/product.template/13633/image_1920?unique=6f3b9df
Made of galvanized steel these connectors have pre-installed exterior rubber gaskets for a perfect, airtight fit.
