iPower 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting Dryer Vent Hose for HVAC Ventilation, (Pack of 12)

iPower 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting Dryer Vent Hose for HVAC Ventilation, (Pack of 12)

• Specs: material: Aluminum foil + PET; size: 4inches (diameter) x 25feet (length) when fully extended. Temperature endurance range from 0 ~ 185°F. (-18℃ ~ 85℃).
• 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.
• 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.
• Fireproof coating: flexible ventilation ducting made from high-quality flame-retardant aluminum and built-in corrosion-resistant wire helix for reinforcement and lasting performance.
• Note: although the ducting is easy installation, violent installation is prohibited. With 12 pair of 4inch metal clamps made from stainless steel.