This wire helix product features steel wire support with a multi-ply design of metalized polyester and aluminum/polyester laminate. It is UL® 181 listed and labeled as a Class 1 Air Connector.
Item Codes:
FDU03 — 110201 3″ x 25′ Un-Insulated Flex Duct 4/Pallet
FDU04 — 110202 4″ x 25′ Un-insulated Flex Duct 4/Pallet
FDU06 — #010204 6″ x 25′ Un-insulated Flex Duct 1/per bag
FDU08 — #010206 8″ x 25′ Un-insulated Flex Duct 1/per box
FDU10 — #010208 10″ x 25′ Un-insulated Flex Duct 1/per bag
FDU12 — #010210 12″ x 25′ Un-insulated Flex Duct
FDU03-AT — Atco 3″ x 25′ Un-Insulated Flex Duct
FDU04-AT — Atco 4″ x 25′ Un-insulated Flex Duct
FDU06-AT — Atco 6″ x 25′ Un-insulated Flex Duct
