Metal-Fab Type B-Vent 3" to 4" Housing Adapter w55.38 Two flame pattern styles: Standard

Two flame pattern styles: Standard and more traditional

Allows heat to disperse naturally (no fan) into the room

Ignition: Match Lit

Vent-Free Gas Log Set

Metal-Fab Type B-Vent 3" to 4" Housing Adapter w55.38 Two flame pattern styles: StandardType 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