The Rasmussen 30" Black Wide Vented Uniform FireBalls - FB30W-BL provide a bold and contemporary style for your wide CS burner fireplace. These fireballs are made from durable ceramic with a deep black, heat-resistant stain that holds its rich color even under high temperatures. Designed specifically for wide CS Burners (27W, 30W, and 33W—sold separately), their larger, uniform shape effectively conceals the burner, giving your fireplace a sleek, modern look. Perfect for both residential and commercial settings.