12 in. x 25 ft. Flexible Air Duct R4.2
Thermaflex® M-KC 12 in. x 25 ft. Flexible Air Duct R4.2
Product Details
Product Details
- Core material will not support mold and mildew growth
- Highly resistant to rust and corrosion
- Fully lined for efficient air delivery
- Large diameter, heavy, spring steel wire helix assures dimensional stability, resists mechanical abuse and provides more efficient air delivery
- Heavy woven and coated fiberglass cloth core assures quiet performance
- Uniquely constructed core will not unravel when cut
- Bi-directional reinforced metallized jacket resists tearing—reduces chance of damage to vapor barrier
- Core will not deteriorate in a fire until the temperature reaches the melting point of glass
- “Outward cast” of helix keeps duct core from shrinking up inside insulation and jacket, resulting in less waste
Specifications
- ASTM:
- ASTM C518
- Diameter:
- 12 in
- Length:
- 25 ft
- Material:
- Fiberglass, Plastic, Steel
- Material Type:
- Polyester
- Maximum Airflow:
- 6000
- R value:
- R4.2
- UL Listed:
- UL 181 Class 1
- Vent Duct Shape:
- Round