Easy to Cut & Customize Lightweight, waterproof, and includes internal steel spring for stability. Trim to fit without fraying for quick setup. Industrial-Grade Performance – External locking cord and bronze-coated spiral prevent collapse, perfect for chemical fumes, ventilation, and engine warming. Extreme Temperature Resistance – Withstands -60°C to +300°C, ideal for hot/cold air transfer, industrial fumes, and engine exhaust systems. Reinforced Silicone Construction – Single-layer silicone-coated glass fiber + steel wire helix ensures durability, flexibility, and maintains shape under 5000PA pressure. Multi-Size Compatibility – Choose from 20mm to 76mm inner diameter for HVAC, compressors, blowers, printing machines, and tight-space installations., Weight: 0.110231131 pounds, Manufacturer: EOMO