DuraVent DuraVent 7" Inner Diameter - DuraPlus Class A Chimney Pipe - Triple Wall - 17" x 17" Wall Thimble

DuraPlus Collection 7" Class A Chimney Pipe Wall ThimbleThe DuraPlus 7" Class A Chimney Pipe Wall Thimble 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 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...