This add-on kit for the Model CU-100 ColdMachine brings air to the unit from a cooler location, or extracts warm air from the unit.
5 feet of 4" Flex duct
(3) Adapter flanges
(1) Trim grill
(1) Reversible booster fan
WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov