Monessen AKD Outside Combustion Air Kit with Access Door (flex not included)

Monessen AKD Outside Combustion Air Kit with Access Door (flex not included)

Also available sold separately:

4″ (100mm) insulated flex duct for outside air – includes two 42″ (1065mm) sections

4″ (100mm) uninsulated flex duct for outside air – includes two 42″ (1065mm) sections