Metal-Fab Type B-Vent 8" to 18" Increaser w15.5 Fuel Type Natural Gas /

Fuel Type Natural Gas / Propane Gas Material Aluminized Steel/Aluminum Color Stainless Steel Dimensions SGM3-L1/SGM3-N1: 19 15/16" W x 13 1/8" H x 16 3/4" D

Trim is required and units come with a Black Surround in the box

5” Free Standing Fireplace will quickly become the centerpiece of your space without the need for electricity

The minimum height of the hot air duct is 68" and the max length of the hot air ducts must not exceed 10'

Metal-Fab Type B-Vent 8" to 18" Increaser w15.5 Fuel Type Natural Gas /Type 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