PVC Flexible Duct,PVC Flexible Duct Hosing Industrial Portable Ventilator Extractor Hose Heavy Duty for Exhaust Fan The ventilation duct is very flexible and easy to install, the ventilation duct with good flame retardant and waterproof can be easily connected to the exhaust fan outlet, you can use it for a long time Product name: multifunctional ventilation exhaust pipe Material: PVC Vent Diameter: 200mm(7.87in), 250mm(9.84in), 300mm(11.8in), 350mm(13.78in), 400mm(15.75in), 450mm(17.7in), 500mm(19.69in), 600mm(23.62in) Length: 5m (196.85in), 10m (393.7in) Tube wall thickness: 0.35mm (0.014in) Temperature range: 0℃-80℃ Features: free to bend, stretch freely, easy to carry, large exhaust, wear-resistant, fire-resistant, waterproof, strong sealing, durable, easy to store, easy to install Application range: suitable for duct fans and exhaust outlets in factories, basements, farms, chemicals, tunnels, laboratories, attics, workshops, and airports Package content: PVC ventilation pipe × 1 Precautions: 1. The product is measured by hand, the length may have an error of 1-2cm, please refer to the actual product 2. Please measure the size you need before purchasing. Incorrect purchase will result in unusable. 3. Due to the difference in light, environment and monitor, there may be a certain color difference between the product and the picture, please refer to the actual product