The DRT3535 traditional direct-vent combines beauty, efficiency and performance. A clean faced heat-circulating design with the following standard features: combination top rear flue, captivating flame appearance, full-featured oak logs with grate, glowing embers, interior lighting, ceramic glass, and variable speed blower. These models include the SIT Proflame II Control System with seamless battery backup, full function remote, and switchable IPI CPI feature. All models are equipped with a standard barrier that meets 2015 requirements.To accommodate the size of your room and heating needs Aged oak logs, decorative grate and glowing embers deliver an elegant fire presentation A newly designed pan burner produces brilliant flames for a vibrant presentation and hours of enjoyment Ceramic glass for superior clarity Clean, radiant design blend with any style of mantel or trim Standard interior illumination Heat-circulating design increases warm air distribution for exceptional supplemental heat Standard built-in blower kit enables higher efficiency and heat delivery to the living space Ceramic glass provides more radiant heat than standard tempered glass Full-function remote simplifies operation Energy saving intermittent electronic pilot ignition system reduces gas usage and provides reliable operation Standard high low flame control allows you to control the ambiance in the room Uninterrupted operation even during a power outage Combo (top rear) venting for maximum installation flexibility Approved for use in any room including bedrooms Select from a variety of required liners for a more customized look Natural gas and propane models give you your choice of heating fuel 20 Year limited warrantyBTU: 19,000 20,000 Collection: Pro Series Controls: Remote Control Framing Depth: 18 Framing Height: 36-1 4 Framing Width: 35-3 8 Rating: ANSI Z21.88 Style: Traditional Venting Type: Direct Vent View Style: Front View Weight: 102