Description
Valcourt 4"Ø Fresh Air Intake Register with Airtight Damper 3pc. 31in Opening 36" W x 24" 1200W WM6 NG DMI G9T F5P NB Opening 36" W x 24" Framing Width 41" Framing Height 36" Framing Depth 19" This 24 Inch Vent Enclosure This device opens and closes the fresh air supply to a wood or pellet heating appliance being certified with a 4" fresh air intake kit Its simple mechanism makes it possible to close the damper tightly when the heating appliance is not in operation