Insulated vent duct

Insulated vent duct
1.length: 10m/pcs(as the customer required)
2.Dia:2''--24''
3.temperature: -40degree-150degree

Insulate vent duct   

Insulated vent duct
1.length: 10m/pcs(as the customer required)
2.Dia:2''--24''
3.temperature: -40degree--150degree

4.