Shape: Rectangle, round, sector Material: Cordierite Used in gas stove, oven, radiator, BBQ, grill Save energy 22-50% Our infrared ... .5. High thermal efficiency, economical and practical.Application:1. Gas stove.2. Gas water heater.3. Burn oven.4. Industrial baking ... per client's requirements. Infrared honeycomb ceramic plaque for gas stove