|1. Free of static electricity.
2. Perfect insertion of copper wire.
3. Prevent hose from being choked due to static electricity.
4. Protect users from electric shock.
5. Inner Surface is flat.
7. Flexible, Light weight, Easy to handle.
|1. Use where static electricity
2. Dust. powder, air suction in buildings, factories, mine,
3. Ventilation, air conditioning.
4. Transproting powders, chemicals.
5. Usage in woodworking, metalworking industries.
6. For use of cleaner hose.