ITEM NAME:4Inch Ventilator Pipe 100Mm Pvc Aluminum Tube Air Ventilation Pipe Hose Fle G8J1 4Inch Ventilator Pipe 100Mm Pvc Aluminum Tube Air Ventilation Pipe Hose Fle G8J1 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.1 Aluminum foil ventilation tube. Perfect for heating, ventilation, air conditioning, kitchen, bathroom, greenhouse, grow room, grow tent, etc. Two-layer aluminum foil thickness, temperature ranges from -30 to 100 ℃.