3" & 4" Vent Stack

Material: aluminum

 

Shape: round

 

diameter of base: 13.9"

 

base opening: 6.77"

 

height: 12.6"

 

Type: 3"/4"

 

advantage: heavy-duty

 

OEM: acceptable

 

*CNC spinning machine max diameter of raw material: 1650mm(65")

 

**CNC spinning machine max thickness of raw material(carbon steel): 6mm(0.236")

 

***CNC spinning machine max height of raw material（carbon steel): 700mm(27")