VESTAL Masonry Brick Fireplace Rear Outside Air Kit - Compatible with MOKR - Improve Fireplace Efficiency & Safety for Indoor & Outdoor Use

For Brick Masonry fireplaces Only Vestal Brick Masonry Fireplace Rear Ourside Air Kit Adjustable door to control air flow during burning and close when not in use. Vestal Outside Air Kit For Mason fireplaces. Pipe is 15" long with a 3 1/4" diameter. Vent is 6" long by 6" wide. Includes hardware and instructions. Made of steel. Draws air from outside house for combustion. Helps eliminate odors and smoking fireplaces. When used with a glass enclosure, helps eliminate heat and air conditioning loss. Masonry fireplace