DRYERBOX 4.25 in. Dryer Box Metal Recess 425THD - The Home Depot
Dryer Vent Box - Aluminized Steel | Supply Smart
IMPERIAL 11.75-in x 20.125-in Aluminum Dryer Vent Box in the Dryer Vent Boxes department at Lowes.com
Adjustable" Dryer vent duct wasn't tall enough to reach up and make use of the indoor filter kit.. so out came the roasting pan and tin snips.. : r/techsupportmacgyver