Additional InformationUL File No. 181|NFPA 90A and 90B/SBCC/BOCA
Marketing InformationAtco's UPC 050 is a UL 181 class 1 air connector which meets the requirements of NFPA (90A and 90B). UPC 050 is manufactured with a tough triple ply duct wall construction. 25 ft L, which can be easily cut to desired length, are compressed and packed in small, easy to store cartons. The UPC 050 is airtight and is designed for low to medium operating pressures in HVAC systems.