Air duct 4"-60", Packaging Type : orange, yellow, red

1.made of fire-retardant pvc material and helix steel wire
2. Easily to connect due to flexible
3. Enduring the high temperature and oleic acid
4. Schlep easily wherever exhaust and inhalation the air in the field condition due to light weight
5.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