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Rocking head provides maximum leverage
(1) SL-1/4 x 4 In
can be used as a sawhorse
Why We Love It
Designed for reliable performance
Builder's Best UL 181 Flexible Foil Ventilation Duct, 4" x 8', Aluminum/polyester William Harvey Rocking head provides maximum leverageThis 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 pitch 412 dia. has 1 pitch UL sticker every 10 feet Maximum velocity rating 5000 fpm
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