This flue pipe is a standard concentric flue pipe used for wall thickness of 4-9", for use of through-the-wall installation.
Models Compatible With: Laser 30, Laser 30 Black, Oil Miser 23, Laser 56, Laser 60AT, Laser 73, Laser 73AT, Laser 300, Laser 300-BL, Laser 530, Laser 560, Laser 730, Laser 730AT