Y Duct Connector 8in x 8in x 8in
https://www.dlw.co/shop/404888-y-duct-connector-8in-x-8in-x-8in-12828
https://www.dlw.co/web/image/product.template/12828/image_1920?unique=d9f876c
Made of galvanized steel. Perfect fit. Sealed seams to prevent air leaks.
