2.5" ID 2-Ply Silflex type DSF Orange Duct Hose (11ft) Also known as: * Aeroduct Hose * Brake Duct Hose * Airduct Hose * High Temp Hose * Silicone Hose * Naca Duct Hose * Ventilation Hose * Scat Hose * Neoprone Hose Features: * Double-ply Silicone Coated Woven Fiberglass Fabric Hose Construction With An External Filament Fiberglass Cord Reinforce With a Spring Steel Wire Helix * Designed For Both High And Low Temperature Extremes * Suited For Air Handling Applications At Low Positive And Low Negative Pressures * The Narrow Pitch Allows For Tight Bending Radius While Maintaining A Smooth Air Flow * Extremely Light Weight And Flexible * Non-Kinking * >Resistant To Many Oils & Solvents, Ozone, Water, Fungus, And Alkalis * Not Recommended For Continuous Flexing