H&C Flex SMART Flow Elbow Kit (2 x Flow Elbows and 4 x 36" Duct Straps)

Features: Each kit includes 2 Flow Elbows and 4 36" duct straps One size fits 4" to 16" flex duct. Eliminates flex duct kinks and restrictions Can be used for new and retrofit applications UL-2043 Classified