Material: Cordierite. Infrared ceramic plaque used in gas stove, oven, radiator, BBQ stove, grill. Save energy up to 40~50% ... Features:1. Using liquefied petroleum gas, clean and environmentally friendly.2. High thermal efficiency, economical and practical, the cost of gas ... simple. Infrared ceramic plaque for BBQ stove, gas burner, gas oven, gas water heater, gas furnace, gas cooker, gas stove, gas ...