Lambro 293L 3″ x 8′ Flexible Semi-Rigid Aluminum Duct – One End Crimped
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. This premium semi-rigid, aluminum, flexible yet rigid patented duct is recommended over conventional semi-rigid and foil ducts. This duct requires no elbows as it can form tight 90 degree turns, requiring less space to work. The design creates airtight seams and prevents unraveling while handling. The duct is reinforced with bead wire helix to always maintain its round shape. This duct is suitable for all general-purpose venting applications including exhaust venting, bathroom fan venting, range hoods and more. It is installer friendly and can be uncompressed easily for installation. Unlike conventional semi-rigid ducts that take up large amounts of space, the duct has a compact compression that is 4 times smaller than the current duct in the market. This reduces space needed for transportation, warehouse, and shelf space in store.
Features and Benefits:
- Continuous airtight lock-seam
- Class 0
- Airtight Design
- Class 0 Air Duct
- Improved Airflow
- Highly Flexible
- Installer Friendly
- Operating Temperature Range: -86°F To 482°F
- Max. Velocity: 5,000 Fpm
Lambro Industries Inc #308 Specifications
Restrictions and Compliance
All thermal performance (R-Values) are certified by the Air Diffusion Council (ADC) and classified by UL LLC in accordance with ADC Flexible Duct Performance and Installation Standard using ASTM C-518, at installed wall thickness, on flat insulation only.
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