The X-FIRES™ Widescreen and 1000 catalytic vent-free fireplaces from the Dave Lennox Signature™ Collection reflect the ultimate in innovation and efficiency. The inherent beauty of natural stone meets revolutionary vent-free technology to provide a luxurious real gas fire that can be installed almost anywhere. Ideal for contemporary living spaces, high rises, lofts or any space where venting cannot be installed, the slim and modern design makes installation as easy as hanging a picture on a wall. They're less than nine inches deep! And because this fireplace boasts a 99.99% fuel efficiency rate, nearly all the heat produced is distributed directly into the living space. Plus, patented (US Patent 5,678,534) catalytic technology cleans hot air as it leaves the combustion chamber. This sleek offering creates a unique fire presentation that is sure to amaze and mesmerize.