https://www.mccoys.com/shop/p/9498072-052303-36/comfort-flame-ak4-outside-air-kit-combustion
AK4 Outside Air Kit, Combustion
Sku: 9498072-052303-36
$71.18
5 Available at
SHIP TO STORE
Complete kit with collar, hood and 3 ft flex pipe. Fits all models.
Type
Combustion
Includes
(1) Collar, (1) Hood, (1) 3-ft Flexible Pipe