The DRT40ST Direct-Vent fireplace offers a multi-view see-through configuration that serves as a primary focal point for two rooms. With an exceptional glass viewing area on two sides and the intense flame presentation of a 37,000 BTU pan burner, the DRT40ST creates a beautiful, natural-looking fire that enhances the comfort and elegance of multiple rooms. These models include a powder coat finish, deluxe Split Oak log set, tempered glass, decorative volcanic stone and a painted black interior. All units are equipped with a standard barrier that meets 2015 requirements.Listed to ansi z21.88 gas fireplace heater Combo top rear flue configuration Top flue configuration Energy saving electronic ignition Pre-wired for wall switch Outstanding heating efficiency for increased comfort and lower operating costs Detailed ceramic fiber aged oak log set with 1 2 heavy-duty grate Black painted interior (optional ceramic fiber liner available) Durable textured powder coat finish Optional blower and remote control available for all models Uses ihp sv 4-1 2 x 7-1 2 direct vent pipe 20 Year limited warrantyBTU: 27,000 - 37,000 Controls: Optional Remote Framing Depth: 22-3 4 Framing Height: 47-3 4 Framing Width: 48-1 2 Style: Traditional Venting Type: Direct Vent View Style: See Through Weight: 288