Fire Insulated Ducts

Listing ID #3061094

An insulated U.L. 181 Class 1 Air Duct, Constructed of a tough b Jack Inner – core, and surrounded by a thick blanket of flbreglass insulation. This is airtight; and is designed for HVAC system.Max. Operating Temperature : -29 Deg. To 60 Deg. C (@ max Pressure) -29 Deg. To 60 Deg. C (@ 2” pos w.g. Pressure) Standard Length : 25 Ft. Standard Diameters : 4” – 20”