AmeriVent 8HS-WTP Chimney Wall Thimble, 3 Wall, 8

Highlights:

• 3 wall
• Size: 8
• Width: 18
• Inside Diameter: 11
• Outside Diameter: 15
• Finish: Galvanized
• Adjustable from 4 1/2 to 8
• Used with tee branch and chimney section to provide proper clearance to combustible materials
• Matte black painted surface for interior wall eliminates need for trim plate
• Standards: UL Listed