Deflecto Semi-rigid Aluminum Duct (4" X 5ft)

• Semi-rigid yet flexible for easy installation
• Ideal for exhaust venting bathroom venting range hoods suspended ceilings and more
• Fire-resistant
• 100% aluminum
• Uninsulated
• Max. velocity: 5000 FPM
• Operating temperature range: -100deg F to 430deg F
• Class 0 air duct
• Non-crimped ends
• 4 in. diameter x 5 ft.
• Nonretail bulk;