flexible hose duct

The flexible duct is purposely used as a ventilator in order to facilitate the air circulation system. The duct is made of PVC tarpaulin, with fire-resistance characteristic. To ensure maximum durability, the duct is reinforced with PVC strip on the helix by using heat welding process The length of the helix can be customized according to your preference. The connection between fan and duct is facilitated by the strong cotton rope . Along its length, the duct features have many D rings that allow it to be installed above the ground level. Therefore, its practical usage in the space-limited area is confirmed. Regular length is between 5-10 meters, however customization of length according to customer's preference is possible.SPECIFICATIONMaterial : High quality PVC TarpaulinAir pressure: 1200-1500 pound/square incheThinkness : 0.16-0.85mmColor : black , green ,red ,yellow PVC stripStandard lenght : 5,10 MetersTemperature : -15degree - 70 degreeRange of Diameter 100-3000mm