1.flexible,durable 2.Used as an environmental products 3.Used for dust disposal Construction: PVC +high elasticity steel wire.Temperature:-20°C——+80°CFeature: Anti-aging, non-toxic, long service life, bending properties.Application: It can be used in Aspiration equipment, ventilation equipment, it also can be used in wood workingmachinery, guide grinding machine, chemical equipment aspiration ...