iPower Flexible 4 Inch 25 Feet Aluminum Ducting 4 Layer 4 25 Feet, Black
Temperature range: -22°F~212°F(-30℃～100℃) Features: 1. Perfect for ventilation applications including HVAC, kitchens, dryer, bathrooms, greenhouses, grow rooms, grow tents, etc. 2.High-quality aluminum foil, high temperature resistant and corrosion resistant, long lasting.