Flexible Air Duct: Made from three-proof fabric with a built-in steel wire that allows easy compression and bending. Comes with included 304 stainless steel clamps for a secure, airtight connection. Flame-Retardant Properties: Our exhaust hose is designed to withstand high-temperature environments, safely channeling smoke and moisture away from living spaces while promoting efficient airflow and ventilation. Suitable for temperatures ranging from -30°C to 200°C / -86°F to 392°F. Extendable Ducting Hose: The exhaust hose can be freely extended and bent, and can be cut into multiple sections as needed, offering excellent flexibility and convenience. Easy Installation: Simply cut the duct hose to your desired length, attach the clamps to the hose and the corresponding appliance or vent, and tighten. No special tools or professional skills required! Versatile Applications: This flexible hose is ideal for ventilation systems including portable air conditioners, tumble dryers, exhaust fans, duct fans, kitchen range hoods, and more—perfect for both home and commercial use.