The Quietflex? Mobile Home R6 Flex Duct has an extra heavy-duty, UV-inhibited, polyethylene-vapor barrier and complies with HUD standards for outdoor use with mobile homes. Standard diameters include 10", 12", 14", 16" with 25? per bag.
Features
Weather-resistant packaging
Easy-to-carry package: up to 10" strapped together to form pairs
Quick clean-up and easy disposal
Temperature range is -20