Verplas G4100 High-Quality 4"/100mm x 10m Aluminium Flexible Ducting \r\n- Compressible and Fully Retardant.- Flexible Aluminum Air Duct.- Robust Durable and Lightweight.- It is widely used in air conditioners.- It is fire resistant enduring high temperatures.\r\nThe Verplas G4100 High-Quality 10m Flexible Aluminium Air 4 Inches Ducting Silver has the advantage of no need to use special tools for cutting or fixing, it does not emit toxic gases in high temperatures and it is fire resistance enduring high temperature. Aluminium ducting compliments a grow room with lots of room-internal ducting, this is due to the aluminium\'s reflective surface.\r\nFeatures:\r\n- Suitable for high, medium, and low-pressure applications.- Fire-resistant|.- Color: Silver.- Material: Aluminium.- Type: Flexible Ducting.- Length: 10m.- Diameter: 100mm.- Quality: High.