UPC-26TDR4-1 - Sound Attenuator, Double Vapor Barrier, TFS, Couplings Attached, 2"x12' R-4.2

Ships in 25x25x6 inch pkg; 10 lbs  For 6-piece (72 feet) see UPC-26TDR4-6  Sound attenuator flexible duct, 2" inside diameter, 4" outside diameter insulated to R4 with 2 vapor barriers; quantity 1x 12' length with our Twist-Fit connectors on each end  Duct Size 2.0" Duct Shape Round Material Multiple Flex or Rigid Duct Flexible R-Value R4.2 Duct Connection Type Twist-Fit System Brand Unico Duct OD 4" Duct Length 12 ft. Vapor Barrier Qty Double Certifications UL-181