Superior 4" Air Kit with Collar, Hood & 3' Flex AK4

Superior AK4 Outside Air Kit

Outside combustion air kit with a 4-inch collar, hood and 3 feet of flex duct. Manufacturer part number F1091.

Use only with the Superior models that list AK4 in their installation instructions. Outside combustion air ducting is separate from the appliance’s exhaust venting or chimney.

Brand: Superior
Manufacturer: Innovative Hearth Products