UPC-26TCHR4-6 - Unico SmartDuct, TFS, 2x12', R4 (6 PCS)

Ships in 24x24x23 inch pkg; 32 lbs 

Description:

• Sound attenuator flexible duct 2" inside diameter 4" outside diameter insulated to R4 with 1 vapor barrier.
• They come in a box quantity of 6 - 12' lengths with Twist-Fit connectors on each end.

General Features:

• Tough aluminized mylar outer wrap
• Spun-bonded nylon and helical wire core
• 12′ length x 6 lengths totaling 72'
• Certified as an air duct per UL181
• R-4
• 2.0" Inside Diameter