- Made of fire-retardant PVC material andhelix steel wire
- Easily to connect due toflexible
- Light Yellow tube with Black ScuffStrip
- Duct with the buckle
- Enduring the high temperature and oleicacid
- Acid & alkali resistant andcorrosion resistant and fire resistant
- Schlep easily wherever exhaust andinhalation the air in the field condition due tolight-weight
- Prevent the workers from thesuffocating by improving dust air into fresh air
Application
- Manhole ,tunnel and tank
- Ship building , under-ground project
200mm Flexible Duct and Normal Style Portable Blower




