3 inch x 8 foot T-LOCK UL 181 Class 0 HVAC Air Duct (Semi-Rigid) – One Crimped End – Item #293FUL
Product details
| Management number | 213615346 | Release Date | 2026/04/12 | List Price | $36.00 | Model Number | 213615346 | ||
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Ideal for HVAC systems, this Lambro semi-rigid 3-inch x 8-foot T-LOCK UL 181 Class 0 air duct, with one crimped end, offers flexibility and durability. Its corrugated design prevents collapse and allows easy bending, while its 100% aluminum construction ensures corrosion resistance, non-combustibility, and flame retardance, withstanding temperatures up to 600F. The T-LOCK design features a lightweight, flexible air duct made from a dead soft aluminum strip, spirally wound and mechanically fastened to form a leakproof, airtight triple lock seam. With no length restrictions during installation, each section bears the UL certification mark. Always check local building codes 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
- Compressed Size: 8-foot length reduces to 23 inches
- Unrestricted Length: Flexible ducts can be extended as needed
- Operating Temperature: Maximum of 600F
- Aluminum Construction: Entirely made of aluminum
- Gauge Specified: Made from 36 gauge aluminum
- T-LOCK Seams: Triple lock airtight seams for leakproof performance
- Flame Retardant: Resistant to flames
- Non-Combustible: Will not burn
- Pre-Crimped End: One end is pre-crimped for easy installation
| Color | Silver |
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| Brand Name | Lambro |
| Manufacturer | Lambro |
| Material Type | Aluminum |
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