Imperial Kk0156 Case of 6 Fire Bricks / Firebricks ( 9" X 4-1/2" X 1-1/4") Imperial Kk0156 Fire Bricks Imperial Replacement Firebricks Come In A Pack Of Six. Works Well With: Wood Or Coal Stoves Fireplace Inserts Barbeque Grills Circulators Furnaces Pizza Ovens Dutch Ovens Specifications: High Density Has A Service Temperature Of 1204C (2200F) Certified To Astm 182C For Temperatures Up To 2200F Dimensions (For Each Brick): 9H X 4.5"W X 1.25""