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.
UL® 181, Class 1 air connector label
• Multi-ply design of metalized polyester and aluminum/polyester laminate
• Steel wire support
• 3″ dia. has ¾” pitch
• 4–12″ dia. has 1″ pitch
• UL® sticker every 10 feet
• Maximum velocity rating 5000 fpm
Not for use as dryer venting, cooking appliances or heating unless approved by the appliance manufacturer.
Foil Duct UL 181 WMF621
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.
Foil Duct Spec Sheet UL181 WMF621
UL® 181, Class 1 air connector label
• Multi-ply design of metalized polyester and aluminum/polyester laminate
• Steel wire support
• 3″ dia. has ¾” pitch
• 4–12″ dia. has 1″ pitch
• UL® sticker every 10 feet
• Maximum velocity rating 5000 fpm
Not for use as dryer venting, cooking appliances or heating unless approved by the appliance manufacturer.
With two spring clamps
With two steel screw clamps
With two steel screw clamps
110218, 110210, 110825, 110221, 110215, 110219, 110223, 110224, 110220, 010242, 110202,
110826, 110222, 110216, 110244, 010203, 010204, 010205, 010206, 010207, 010208, 010210,
110680, 110660, 110661
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