The Cherry Grove Gas Log Set is made from a revolutionary molding process that gives log detail previously unattainable with Ceramic Fiber Log. The glowing ember bed add to the impressively realistic fire look. Ceramic Fiber material and Hargroves Radiant Riser give much greater heating efficiency than other vented log sets. The Radiant Riser technology directs the heat Output forward and lets you enjoy the warm feeling of fire. There are three burner choices: H-Burner, E-Burner and System 4. It is available in 21 inches³, 24 inches³, 30 inches³ & 36 inches³ sizes to fit your hearth!