- This product requires: 1 (3 in Canada) air clearance to combustibles for all diameters.Connection
- Joint/Connection Overlap: 1-1/2.
- Joint/Connection Type: Twist-Lock standard on all diameters.Material Specifications:
- Outer Wall: Galvalume Laser Welded.
- Inner Wall: 304 Stainless Steel, Laser Welded.
