Metal-Fab Type B-Vent 4" to 7" Increaser w40.7 Also use in short attic

Also use in short attic spaces (see instructions)

non-porous surface and attractive design

1x Fireplace Stand 1x 304 Stainless Steel Cone and Cup 1x Flame Snuffer Not Included

Piezo ignitor

Metal-Fab Type B-Vent 4" to 7" Increaser w40.7 Also use in short atticType 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