Size & Material: 3 inches (diameter) x 16 feet (length) when fully extended, flexible ventilation ducting made of aluminum foil and steel wire helix to preserve the shape.
Thermal Endurance: with a good thermal insulation performance, works well with your portable ac device, Temperature endurance range from -4 ~ 176°F.(-20? ~ 80?)
Easy Installation: 2 pairs of 3 inch metal clamps made from stainless steel. Flexible length for exhaust fan blower / inline fan.
Fire Proof Coating: Flexible ventilation ducting made from high-quality flame-retardant aluminum and built-in corrosion-resistant wire helix for reinforcement and lasting performance.
Wide Applications: Air Duct is suitable for HVAC system. It will move and deliver air in Kitchens (cooking exhaust), Green Houses and Grow Rooms (Air Circulation, Intake, Exhaust and Light Fixture Cooling), Bathrooms (Smell and Moisture Exhaust), Dryer Rooms, Grow Tents and other applications etc. Thick layer Aluminum on this ducting prevents gas and light leaks.