The DRT4000 Series of direct vent gas fireplaces represents affordable craftsmanship. This fireplace series comes standard with superbly designed high-definition logs, brilliant flames and glowing ember bed. The DRT4000 Series also offers a variety of optional accessories that will add more flair to your fireplace to make your home both warm and alluring. Available in 40” and 45” models Full-size 21” deep models offer a larger fireplace interior and log arrangement 40" models combo top/rear flue configuration; 45" models dedicated top flue configuration Electronic ignition with seamless battery backup provides continued operation in the event of a power outage (IPI/CPI switch standard). Outstanding heating efficiency for increased comfort and lower operating costs Standard tempered glass and a protective screen* Beautifully crafted high-definition ceramic fiber log set with heavy-duty grate Black painted interior (optional liners available) Optional blower and touch remote or hand-held remote control available for all models Durable textured powder coat finish