This ventilation duct is an ideal replacement for your ventilation equipment, which can also reduce the noise level. Durable and flexible: The ventilation duct is made of polyester and aluminium, which gives it high-temperature resistance and good air tightness. It is also durable and can be extended and compressed flexibly.Quiet: The ventilation duct features a polyester barrier on the inside that reduces noise and vibrations.Wide applications: The ventilation duct is mainly used in various air circulation and ventilation projects, including hydroponic planting rooms and tents, bathrooms and attics, heating and cooling transport, and other equipment.
