Allows CellarPro 1800H Houdini cooling units to be ducted up to 50 equivalent feet (25 feet per duct) on the or cold using 6-inch ducting (sold separately) with no reductions from start to finish .
Designed to work with cold-side airflow openings on the 1800H Houdini cooling unit
Includes bottle probe
Requires 6-inch insulation (R-6 or better), not included
