SCHWANK USA's Infra Save JO-0370-CX Replacement Ceramic Tile Single tile. For SCHWANK USA and Infra Save Brand Luminous Heater Series. Replaces old part numbers: JO-0370-XX, JX-0243-IN, JO-0370-YY, JL-0740-XX, JL-0741-XX. 3.625 Inches wide X 5.1875 Inches long X .4375 Inches thick.