3″ x 8′ Flexible Semi-Rigid Aluminum Duct Kit – Item #3110 (Replacement # 301)

Semi-rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct.  The duct is totally non-combustible with a maximum operating temperature of 400°F.

• Continuous airtight lock-seam
• Non-combustible
• Class 0

Product Contains:
(1) – 3″ x 8′ Flexible Semi-Rigid Aluminum Duct
(2) – 3″ Galvanized Worm Gear Clamp