Metal-Fab Type B-Vent 3" to 6" Increaser w37.13 Empire Vent-Free Burners are approved

Empire Vent-Free Burners are approved for use in any certified vent-free firebox

14" Pan Size

B-VENT GAS FIREPLACES

Item Number HX4M Product Type

Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection

Metal-Fab Type B-Vent 3" to 6" Increaser w37.13 Empire Vent-Free Burners are approvedType 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