Metal-Fab Type B-Vent 12" x 19" High-Performance Vent Cap firebox and back glass are more

and back glass are more durable

on the other hand

Available in 2ft

Blower kit (Sold Separately)

Create a more finished and polished look to add realism to the Revillusion RLG insert

Metal-Fab Type B-Vent 12" x 19" High-Performance Vent Cap firebox and back glass are moreType 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