ITEM NAME:4Inch Ventilator Pipe 100Mm Pvc Aluminum Tube Air Ventilation Pipe Hose Fle G3T5 4Inch Ventilator Pipe 100Mm Pvc Aluminum Tube Air Ventilation Pipe Hose Fle G3T5 High temperature, corrosion resistant, long lasting. Two-layer aluminum foil thickness, temperature ranges from -30 to 100 ℃. Built-in steel wire for reinforcement and durable performance. Perfect for heating, ventilation, air