Welcome to the new Hirsch.com store!
Please create a new account to proceed.
For a limited time, you can return to the old store here.
View All Categories
View All Brands
Hart & Cooley® by Duravent Flexible Air Duct, Insulated Class 1, Series: F218, 20 in Inside Dia, 25 ft Length, 5000 fpm, R8 Insulation Value, 0.04 perm Vapor Transmission, -1/2 to 12 in-WC, -20 to 140 deg F, Polyester/Metalized Polyester, Domestic