Metal-Fab Type B-Vent 3" x 3" x 3" Swivel Tee rear-glass The additional Insulation Collar now

The additional Insulation Collar now enables the support box to be qualified as an Attic Insulation Shield

3 lbs Shipping Weight 130

Can be fully recessed or Semi Flush Mounted within a 2 x 4 wall

Depth 23 1/2 x 88 1/8 x 12“ Glass View Opening 11 7/8 x 84 3/4” Surround Size 15 7/8 x 88 1/8″ Shipping Size 25 5/8 x 99 3/4 x 15 1/4” Shipping Weight 193

This system does have variable flame height control to turn the fire up and down

Metal-Fab Type B-Vent 3" x 3" x 3" Swivel Tee rear-glass The additional Insulation Collar nowType 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