M&g Duravent 20" Duratech 24" Chimney Pipe - Galvalume - 99603 // 20DT-24

Product Features

• This product requires: 2 air clearance to combustibles for all diameters.Connection Specs:
• Joint/Connection Overlap: 1-1/2.
• Joint/Connection Type: Twist-Lock standard on all diameters.Material Specifications:
• Outer Wall: 430 G-90 Galvanized Steel, .016 Thick, or .021 Galvalume Steel
• Inner Wall: 430 Stainless, 0.020 Thick.