Package Include:1 x 1 Meter 64mm 2.5" inch Cold Air DuctingSpecification:Wall: Silicone coated glass fiber fabricSpiral: Spring steel wireReinforcement: Glass fiber cordDelivery Variants: Wireless sleevesWorking temperature: -70 degree approx. To +300 degree approxInner Diameter: 64mm/2.5''Thickness: 1mmLength: 1 meter/39.4''Feature: Extremely good heat resistance. Leak-proof. Smooth interior. Highly flexible. Small bending radius. Kink-proof. High Performance ratings with excellent reliability in all conditions. Easy to replace, cut and adapt to your piping needs.Application: For transmission hot and air, chemical fumes and industrial fumesFor printing machines, blowers and compressorsFor exhausting gas, engine construction, engine Warming, aircraft construction and military construction