Packaging and Size: 100mm Ducting Kit includes 1 x 100mm/4-inch diameter, 10m long white flexible air duct hose, and 2 stainless steel clamps for a snug, leak-reducing fit. Durable materials: The 100mm flexible ducting is made of PVC triple-thickened aluminum foil, flexible and durable. The multilayer build offers heat resistance and noise reduction and maintains shape during bends. Highly flexible: The dryer vent hose has a built-in steel wire helix to preserve the shape, shrink freely, and be bent freely to fit different angles of installation; the PVC film helps to be lightproof and reduce noise. Easy to Install: Use the insulated ducting 100 mm. No special tools or expertise are required. Simply use a screwdriver to tighten the hose and clamps, and you can cut the length of ducting you need—very convenient. Wide Application: This 100mm insulated ducting has a wide range of applications for tumble dryers, kitchen or bathroom extractor fans, grow tents, green rooms, small workshops, and industrial use., Weight: 2.535316013 Pounds, Manufacturer: Owl wolf