UPC-26TC-6 - Sound Attenuator Tubing, TFS, Couplings Attached 2" ID x 12'L, R-3.3 (72 ft. per box)

Ships in 24x24x23 inch pkg; 28 lbs Sound attenuator flexible duct 2" inside diameter, 3.5" outside diameter, insulated to R3.3 with 1 vapor barrier; box quantity of 6x 12' lengths (total 72 feet), with our Twist-Fit connectors on each end  For single piece (12 feet) see here Duct Size 2.0" Duct Shape Round Material Multiple Flex or Rigid Duct Flexible R-Value R3.3 Duct Connection Type Twist-Fit System Brand Unico Duct OD 3.5" Duct Length 12 ft. x 6 pcs, total 72' Vapor Barrier Qty Single Certifications UL-181