Rasmussen 20" Beige Alterna Ventless FireStones Single Sided - AFS20-BE brings a subtle, earthy touch to your ventless fireplace with its versatile beige tone. Made from durable ceramic-bonded refractory material, this firestone set resists high temperatures, ensuring long-lasting quality without cracking. Perfect for concealing burners, it complements any transitional or neutral decor. Exclusively compatible with Rasmussen Alterna Vent-Free FireStones Burners (sold separately).