bbq factory&reg; Replacement Porcelain coated Cast Iron Cooking Grid Grate JGX182 for Perfect Flame GSC3318 and Perfect Flame GSC3318N, Set of 2 Porcelain coated Cast iron cooking grids, Dimensions: 19 1/4" x 7 3/4" Each or 19 1/4" x 15 1/2" Total, Perfect Flame Models: GSC3318, GSC3318N Lowe's Perfect Flame Part Numbers: 12GSC3318N Original Part Numbers: 12GSC3318N