Features:
*Made from high-quality flame-retardant aluminum and built-in corrosion-resistant wire helix for reinforcement and lasting performance.
*Non-insulated Ducting: 100mm diameter 2.5m long air duct, made of thick and durable aluminum, fire-resistance coating foil vent ducting.
*Corrosion-resistant，fire-resistant,wear-resistant,pulling-resistant
*Flexible,Bendable and stretchable,better to work in tight corners or small place.
*Easily cut and sized to fit.
*Wide variety of applications in ductwork system, perfect for Heating Ventilation and Air Conditioning (HVAC), Kitchens, Bathrooms, Greenhouses, Grow Rooms, Grow Tents, etc.

Specifications:
Material: Aluminum foil and Steel
Color: Silver
Size: ø100mm(4inch)
Length:4.5inch-8 feet
Temperature range:-30~100℃
Working pressure:2000pa
Airflow:≤25-30m/s
Steel wire dia:0.8-1.4mm

Packing List
1 x 4 "Duct Hose