• UL Listed 181 Class 1 Air Duct
• duct wrapped with R4.2 insulation and black polyethylene cover
• ideal for long run applications for HVAC, bathroom and general venting application

Pioneer maintains an inventory of Deflecto Insulated Duct and list:

4" x 25'
5" x 25'
6" x 25'

Other Sizes available by special order.