UPC-26TDHR4-6 - Unico SmartDuct, TFS, 2x12', R4, Double Barrier (6 PCS)

Ships in 26x26x33 inch pkg; 36 lbs 

Description:

• This is our sound attenuator flexible duct
• 2" inside diameter 4" outside diameter
• Insulated to R4 with 2 vapor barriers
• They come in a box quantity of 6 - 12' lengths with our Twist-Fit connectors on each end