1.thermostability; dustproof 2.construction:pvc coated fabric(green,blue)+galvanized steel;

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

4.construction:pvc coated fabric(green,blue)+galvanized steel;

5.Function:It is heat resistance,acid -base resistance,fire resistance,abration resistance,tearing resistance and flexible

Diameter		thickness		Distance	Details
inch	inner	Pvc coated	wire	wire	speed	length
2	51	0.4	0.6	45cm	45m/s	10m
3	76	0.4	0.8	45cm	45m/s	10m
4	102	0.4	0.9	45cm	45m/s	10m
5	127	0.4	0.9	45cm	45m/s	10m
6	153	0.4	1	45cm	45m/s	10m

Canvas flexible ventilation air duct(light blue)