Superior 4" Outside Air Kit for BRT40ST See-Through Gas Fireplace btu56175 This hood is good for

This hood is good for vent-free log installations

MCS-814 Outer Liner(6 ea

Zone heat your space to remain comfortable while reducing your monthly bills

This set will bring the beauty of nature to life within your fireplace

Glow Getter 18

Superior 4" Outside Air Kit for BRT40ST See-Through Gas Fireplace btu56175 This hood is good forWhat'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