Superior 4" Outside Air Kit for BRT40ST See-Through Gas Fireplace btu56175 Ceramic Fiber Liner

Ceramic Fiber Liner

UL 641 Flue Material 430 stainless Steel Casing Material Galvanized Steel Inner Diameter 4" Height/Length 60" Color Silver Technical Drawings & Dimensions

The firebox features secondary reburn tubes producing a High Efficiency burn

Mason-Lite 14" Inner Liner (Individual) MCL-814

10" x 18" Adjustable Length Pipe

Superior 4" Outside Air Kit for BRT40ST See-Through Gas Fireplace btu56175 Ceramic Fiber LinerWhat's Included Outside Air Kit Features For use if outside combustion air is required or desired. Must be used in conjunction with locally purchased, non combustible Class 1 or Class 0 flexible duct. For use with Superior BRT40ST B Vent See Through Gas Fireplace Specifications Model Number FOAK 4LD Catalog Number 81L88 Diameter Size 4" Compatible Fireplace BRT40ST