Metal-Fab Type B-Vent 5" Oval Storm Collar w68.31 for a period of no

for a period of no less than 8 hours with the adjustable flame control set on high

Crafted specifically for Napoleon fireplaces

Fueled by natural gas only

LO-RIDER DESIGNER VENT FREE FIREBOX

Three installation options: fully recessed

Metal-Fab Type B-Vent 5" Oval Storm Collar w68.31 for a period of noType 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