Every wood burning stove with fire brick liners will need to have its bricks replaced on a regular basis to keep the stove performing at optimum efficiency. This 6 pack of 4-1/2 in. x 9 in. x 1-1/4 in. Ceramic Fire Bricks is the perfect package to keep your stove operating perfectly. They can be used in any brand of wood or coal stove that uses this standard sized brick.