Ventilator with flexible duct

1,Material: PVC flam-resistant static-free fabric with steel wire outside. endure the liquid of acid,alkil,oil, as well as high temperature. 2,Size:width:4" to 60" length:1m to 40m (or according to customer's request) 3,Main color: yellow,red,orange .white ect. 4,Application: With the strong points of enduring high temparature,acid,alkali,oleic acid,and it's harmful liquid state gas ect.Widely used in these working environment such as  tunnel, basement, ship building or electric soldering and waste gas exhaust out ,keep more savely and effectively during working.with the buckle-loop or pp rope can conveniently connect to the portable ventilator.