Part Number: 4MIX6
eFireplaceStore Item Number: MFB-4MOIX6
*Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page for venting pipe that must be used with this unit.
Part of Metal-Fab's versatile Type B line, this Metal-Fab 4 Inch to 6 Inch Type B Oval Chimney Pipe Increaser is exactly what you need if you want to increase your oval vent diameter from four to six inches.