Ducting size: 4 inches (diameter) x 8 feet (length) when fully extended
Thermal endurance: Temperature endurance range from 0 ~ 185°F. (-18? ~ 85?)
Wide applications: Kitchens, bathrooms, greenhouses, grow rooms, grow tents, etc.
Easy installation: 2 pairs of 4 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