... toxic & acid gasNylon Flexible Duct (flexible nylon duct,nylon hose)Model No:ZXLRG05Item: Nylon Flexible DuctSpecifications:1. A very flexible duct constructed, for toxic and ... pressure air conditioning and ventilation system, with fire-resistance2. Diameter: 2",2.5",3",4",5",6",8",10",12",14",16"3 ... . Temperature range: 5 degree .C to 80 degree. C4 ...