Choose this Supurr-Flex5-Ply4-Inch AluminumFlexDuct from Deflecto for your...Choose this Supurr-Flex 5-Ply 4-Inch Aluminum Flex Duct from Deflecto for your next clothes dryer repair or installation project. This 4 in. dia. x 50 ft. ducting can also be used in bathrooms HVAC systems and general-purpose venting. • 5-ply...more