Customized Stretchable Fireproof Flexible Duct PVC Environmental Friendly

Customized Stretchable Fireproof Flexible Duct PVC Environmental Friendly Features: 1. Highly flexible 2. Could be compressible and easy to carry 3. Oil, Acid &Alkali Resistant 4. Very small bending radius 5. Kink proof 6. Polyester fabric coated with pvc is leakage resistant 7. Steel wire spiral is abrasion resistant with rubber cover 8. Various colors are available 9. Flame retardant Structure Supported by helix steel wire and black rubber strip, it is wear-and-tear proof.