Part Number: 4MIX7
eFireplaceStore Item Number: MFB-4MIX7
*Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page if available 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 7 Inch Type B Chimney Pipe Increaser is exactly what you need if you want to increase your round vent diameter from four to seven inches.
Chimney Pipe Buyers Guide
How Flex Venting Helps Complicated Vent Pipe Set Up
DuraVent Type B Venting Installation Guide
DirectVent Pro Installation Guide
Duratech Chimney Pipe Installation Guide
DuraPlus Chimney Pipe Installation Guide
Pellet Vent Pro Installation Guide
Chimney Cap Buying Guide