Uninsulated Flex

Flexible duct is a non-insulated UL-181 connector. The connector is formed by encapsulating a spring steel wire helix in a tri-laminate, of a polyester, aluminum foil and polyester. These products are recognized by a “round” class 1 air connector on the product. All UL-181 class 1 air connectors are limited by NFPA 90A & 90B to a maximum length of 14’. 

Specifications: 

SKU Description Prod Info Price/Units Quantity
UF3 3" UNINSULATED FLEX 25' MNI25 FT
UF4 4" UNINSULATED FLEX 25' MNI25 FT
UF5 5" UNINSULATED FLEX 25' MNI25 FT
UF6 6" UNINSULATED FLEX 25' MNI25 FT
UF7 7" UNINSULATED FLEX 25' MNI25 FT
UF8 8" UNINSULATED FLEX 25' MNI25 FT
UF9 9" UNINSULATED FLEX 25' MNI25 FT
UF10 10" UNINSULATED FLEX 25' MNI25 FT
UF12 12" UNINSULATED FLEX 25' MNI25 FT
UF14 14" UNINSULATED FLEX 25' MNI25 FT
UF16 16" UNINSULATED FLEX 25' MNI25 FT
UF18 18" UNINSULATED FLEX 25' MNI25 FT
UF20 20" UNINSULATED FLEX 25' MNI25 FT