High Quality Material: Aluminum Foil + PET + Aluminum Foil, Flame-retardant coating. Three layer makes it more durable and resistant to leaks, tears, and cuts.
Suitable Size: The duct is 4 inch diameter and 10 ft length, You can cut into different lengths according to your needs.
Steel-Wire Spiral Structure: The steel wire helix to preserve the shape, keep your ventilation system free of rips and pin holes. Our air ducting flexible enough for you HVAC systems, arbitrarily bent, no rigid elbow, reducing the ventilation resistance and the leak of wind.
Widely Used: Our ducting is suitable for Heating Ventilation & Air Conditioning (HVAC) purposes. It will move and deliver air in kitchens (cooking exhaust), dryer rooms, bathrooms (smell and moisture exhaust) grow tent, green houses and air conditioner Etc.
Quality Warranty: We provide 12 months quality warranty, if you have any question please contact us and we will reply and help you solve the problem in 24 hours.