Compatible with all Toyostove models, for use with the Standard Flue Pipe (#20479891) to go through thicker walls, this extension is good for wall thickness ranging from 16" to 20".
Models Compatible With: Laser 30, Laser 30 Black, Oil Miser 23, Laser 56, Laser 73, Laser 73AT, Laser 300, Laser 300-BL, Laser 530, Laser 560, Laser 730, Laser 730AT