- Ducting feature: Built-in steel wire for reinforcement and long lasting performance. Flexible length for inline fan; when not in use, it takes up little space
- Specs: Material: Aluminum foil + PET; size: 4 inch (diameter) x 8 feet (length) when fully extended. Temperature endurance range from 0 ~ 185°F. (-18℃ ~ 85℃)
- Fireproof coating: Flexible ventilation ducting made from high-quality flame-retardant aluminum and built-in corrosion-resistant wire helix for reinforcement and lasting performance
- Applications: kitchens (cooking exhaust), green houses and grow rooms (air circulation, intake, exhaust and light fixture cooling), bathrooms (smell and moisture exhaust), grow tents, etc
- Note: Although the ducting is easy installation, violent installation is prohibited. With 12 pairs of 4 inch metal clamps made from stainless steel

