Are you still worrying about ventilation problems in complex environments? flexible duct hose delivering reliable industrial-grade ventilation for residential and commercial environments. Specifications: 1. Product Name: PVC Flexible Duct Hose 2. Material: PVC + Steel Wire 3. PVC fabric Thickness: 0.28 mm 4. Inside Diameter: 5.9in - 31.5in 5. Length: 8 ft, 12 ft, 16 ft, 32 ft (customizable) 6. Temperature Resistance: 212°F (100°C) 7. Features: High temperature resistance, flame retardant, can be bent at will Features: 1. Fold design, saving storage space, easy to carry. 2. The straps are easy to use and stay in place perfectly. 3. Fit fan vent out of a high end home for remodeling dust, etc. 4. D-rings for convenient hanging on walls or poles/columns. 5. Flexible, easy to expand and shrink in length, easy to install. 6. Adjustable sealing collar with PP rope, can flexible to change. 7. 100°C heat resistance, Withstands 212°F exhaust temperatures. 8. Performs in basements, tunnels, auto shops & chemical plants. 9. Steel wire reinforcement, Carbon spring core prevents kinking, extends lifespan. - Package Include: 1 × Ventilation Pipe - Reminder: 1. Items may slightly differ from photo in terms of color due to the lighting or your monitor's display. 2. Slight measurement error may exist due to manual measurement being used.