Ducting, 1 3/4" ID - Coil Wire Reinforced with External & Internal Lined - Thermoid
Ducting, 2" ID - Coil Wire with Reinforced External & Internal Fabric Lined - Thermoid
Ducting, 3" ID - Coiled Wire with External & Internal Fabric Lined - Thermoid
Ducting, 4" ID - Coil Wire Reinforced with External & Internal Lined - Thermoid