Metal-Fab Type B-Vent 4" x 48" Double Wall B-Flex Flexible Pipe Length h37 ² This is a general

² This is a general guide

This Napoleon Hot Air Distribution for Gas Fireplaces is an exterior vent termination that provides convenient air circulation for any gas fireplace

Slightly open a window to allow fumes to escape

HEAT-ZONE-GAS - Installation Instructions

while the zero clearance design gives you flexibility

Metal-Fab Type B-Vent 4" x 48" Double Wall B-Flex Flexible Pipe Length h37 ² This is a generalType 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