The DRL4543 direct vent gas fireplace is a versatile linear design for a dramatic appearance. Standard features include ceramic glass and in-floor lighting to illuminate a variety of colorful glass pebbles. The large viewing area provides an uninterrupted display of the active flame pattern. Available in indoor or indoor/outdoor see through configurations, the DRL4543 provides endless possibilities for any modern living area. EXCLUSIVE FEATURES 43” front open linear configuration See through conversion kits available to transform the fireplace into a see through model or indoor/outdoor see through model Gas controls are conveniently hidden in the fireplace floor Electronic ignition with battery backup to operate in the event of a power outage Active, dancing flames help to accentuate the ambiance in any room Seven flame settings for precise heat control Clean-face design features ceramic glass for optimum heat transfer and 2015 ANSI barrier compliant Three-piece black porcelain interior liners Mood enhancing fireplace interior lighting, with six distinctive illumination settings Optional decorative face trim in three designer options Deluxe remote control (Flame, lighting, IPI/CPI) Now uses IHP SV4.5 vent pipe 20 year limited warranty