The Small Flush Wood Hybrid-FyreTM insert features the world’s cleanest burning technology and comes in a compact size that will fit where no other wood insert has fit before. This unique insert is designed for small zero clearance and masonry fireplace with its 14 inch depth and 1.2 cubic foot firebox. Despite its smaller size, this unit can heat up to 1,000 square feet. It features a never before seen quick flue connector with a detachable flue collar for hassle-free installation. A beautifully arched door with ceramic glass highlights a stunning fire view. A concealed powerful blower is included to increase heat circulation while not interfering with the design of the insert. This clean-burning unit tests at greater than 76% overall efficiency and produces only 0.89 grams of emissions per hour. It also features the revolutionary GreenStartTM igniter option that allows you to start your fire with the push of a button, making the Small Flush Wood Hybrid-Fyre insert even more efficient to own and operate. Now with GreenStart Option. GreenStart is a patent-pending ignition system for the modern wood burner; just load your wood and push a button! We've completely eliminated slow, cracked open door startups and laboring over fickle newspaper.