- Wall Thimble
- 6" I.D.
- Interior Trim Ring Painted Black
- Adjusts 4 3/4" - 7 3/4"
Adjusts from a minimum of 4 3/4" to a maximum of 7 3/4" 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 is painted black. Must be installed with DuraPlus chimney pipe horizontally through the wall and extend a minimum of 2" into the room beyond the interior wall.