- Made of fire-retardant PVC material and helix steel wire
- Easily to connect due to flexible
- Enduring the high temperature and oleic acid
- Schlep easily wherever exhaust and inhalation the air in the field condition due to light weight
- Prevent the workers from the suffocating by improving dust air into fresh air .
Additional Information
- Packing : Neutral Carton Packing ,1pcs/ctn
- Payment Term : 30% as the deposit , the rest 70% should be paid off before shipment or paid against the copy of B/L . We could negotiation about that before the confirmation and signature of the order .
- MOQ : 100 pcs . If we have the stock production , we could accept the less order quantity .
- Delivery Time : 30 days after payment received
Application of the air duct connected with portable ventilator
- Manhole ,tunnel and tank
- Ship building , under-ground project
- Welding and chemical lab or spot