UPC-26TCH-1 - Unico SmartDuct, TFS, 2x12' (1 PC)

Ships in 25x25x6 inch pkg; 5 lbs Description: This is our sound attenuator flexible duct 2" inside diameter 3.5" outside diameter insulated to R3.3 with 1 vapor barrier They come in a box quantity of 1 - 12' length with our Twist-Fit connectors on each end General Features: Tough aluminized mylar outer wrap Spun-bonded nylon and helical wire core 12′ length x 1 lengths totaling 12' Certified as an air duct per UL181 R-3.3 2.0" Inside Diameter Unico sound tube