Metal-Fab Type B-Vent 20" to 30" Increaser d29 71” W Dimensions

71” W Dimensions

Empire Vertical Conversion Kit is designed for easy installation and can be installed quickly and easily by a qualified technician

75" (W) x 14

5" and 5" widths

Upgrade your heating system and enjoy warmth and comfort all season long with the ComfortBilt HP21

Metal-Fab Type B-Vent 20" to 30" Increaser d29 71” W DimensionsType 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