Metal-Fab Type B-Vent 5" to 10" Increaser refractory Dual INF surface-mount control assemblies

Dual INF surface-mount control assemblies with a weatherproof box for exposed exterior locations

The probe thermometer is Recommended for all wood stoves installed with double wall stove pipe

Overall firebox volume : 4

Three sizes to fit any fireplace

Control System W/Lp Hook Up

Metal-Fab Type B-Vent 5" to 10" Increaser refractory Dual INF surface-mount control assembliesType 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