Metal-Fab Type B-Vent 5" to 7" Increaser w43.25 and ZV3600

and ZV3600

Base Screw x 4

A VFSE Burner may be installed in a vented fireplace (with the flue damper blocked open) for use as a decorative appliance

Designed for TVs

5" Vertical Suregrip Support and Firestop

Metal-Fab Type B-Vent 5" to 7" Increaser w43.25 and ZV3600Type B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist lock connection and locking tab, eliminating the need for sheet metal screws. Metal Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal Fab Type B Gas Vent products 3" 6" adapt to major competing brands and when installed