Description
6″ or 8″ Dura-Vent Dura-Tech Galvalume Wall Thimble
This wall thimble adjusts from a minimum of 5 1/2″ to a maximum of 9 1/2″ wall thickness, and fits between standard wall studs. To accommodate thicker walls, the telescoping pieces can be extended up to 16″ with a field-fabricated extension installed. Interior trim ring painted black. Must be installed with Dura-Tech chimney pipe horizontally through the wall and extend 6″ into the room beyond the interior wall.