90* Angle Boot with Extension and Fire Damper

90* Angle Boot with Extension and Fire Damper

• 113READ

• Fire dampers are typically required when a duct passes a fire rated barrier (walls, partitions, or floors). Uses a heat fusible link that, when activated, closes and impedes the migration of high temperature into and through the duct system. Equivalent length supply or return 20'.
• Size 8"x 4"x 4"; packed 12 per box.
• Sizes 10"x 4"x 4" - 6", 10" x 6" x 5" - 6"; packed 12 per box.
• Size 10"x 6"x 7"; packed to order.
• Size 12"x 4"x 8"; packed to order.
• Sizes 12"x 6"x 7" - 8"; packed 8 per box.
• Sizes 14"x 6 x 8" - 9"; packed 6 per box.