Ventilation pipe, air duct, pvc flexible duct

1,Material: 

PVC flam-resistant static-free fabric 

with helix steel wire.

2,Size:width:

50mm to 2000mm  length:1m to 40m (or according to customer's request)

3,Main color:

yellow,orange, white, black ect.

4,Application:

PVC Flexible Duct is widely used in these working environments such as  tunnel, basement, shipp yard. Or it could be applied in the processes of eelectric welding
and waste gas treatment.