The Rasmussen 18" Light Gray Vented Uniform FireBalls - FB18-LG offer a sleek and contemporary alternative to traditional fireplace logs. These uniform fireballs are crafted from durable ceramic with a heat-resistant light gray stain that won't fade over time. Designed to elegantly conceal the burner, they create a minimalist yet bold look for vented fireplaces. Exclusively compatible with Rasmussen Vented Custom Pan Burners (sold separately), these fireballs add a modern touch to any home or commercial setting.