7 inch x 8 foot T-LOCK UL 181 Class 0 HVAC Air Duct (Semi-Rigid) – One Crimped End – Item #297FUL

Ideal for HVAC systems, this Lambro semi-rigid 7-inch x 8-foot T-LOCK UL 181 Class 0 air duct offers flexibility and durability. Its corrugated design prevents collapse and allows easy bending, while the 100% aluminum construction ensures corrosion resistance, non-combustibility, and flame retardance up to 600F. The T-LOCK design features a lightweight, flexible duct with a triple lock seam, allowing unrestricted length during installation. Each section bears the UL certification mark, and local building codes should be checked before installation.

• Packaged in Bulk: Multiple units per package
• UL 181 Class 0 Compliant: Certified and marked for safety
• NFPA 90a and 90b Compliance: Meets fire safety standards
• Compression Ratio: 8-foot length reduces to 23 inches
• Unrestricted Length: Flexible ducts can be as long as needed
• Operating Temperature: Maximum of 600F
• Material: Constructed entirely of aluminum
• Gauge: Made from 36-gauge aluminum
• Seam Design: T-LOCK Triple lock airtight seams
• Flame Retardant: Resistant to flames
• Non-Combustible: Will not burn
• End Type: One end is crimped