Key Features
- Diameter: 6 inch (150 mm)
- Length: 25 feet (7.6 meters)
- Material: عادة aluminum foil + steel wire helix
- Type: Non-insulated (no fiberglass layer)
- Flexible & compressible – easy to install in tight spaces
- Applications:
- HVAC air distribution
- Exhaust fans
- Dryer vents
- Kitchen / bathroom ventilation
? Non-insulated ducts are lighter and cheaper, but they do not prevent heat loss or condensation, unlike insulated ducts.