Ventilation - Flex Duct 4in
Needs to be UL 181 certified.
Hart & Cooley 6" x 25' F090 Silver Air Connector
http://www.supplyhouse.com/Hart-Cooley-44785-6-x-25-F090-Silver-Air-Connector $22.86 for 25 feet
Needs to be UL 181 certified.
Hart & Cooley 6" x 25' F090 Silver Air Connector
http://www.supplyhouse.com/Hart-Cooley-44785-6-x-25-F090-Silver-Air-Connector $22.86 for 25 feet
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