PVC flexible duct

PVC coated polyester flexible air duct is made of fire proof PVC film with helix steel wire. Features with high flexibility and axial compressibility, temperature range from -15 °C to +60 ° C,  round or rectangular shape as an option item, standard as white color,other color are on request. It is especially ideal for air conditioning system or dryer machines to exhaust or extract air under low and medium pressure.