US Stove FBP6 Firebrick is designed to withstand high temperatures and prolong the life of your wood or coal burning stove. Every wood burning stove with firebrick 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 1-1/2 in. ceramic 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. US Stove has been bringing warmth to homes across the nation for 140-year. US Stove has a wide range of Automatic Circulators, Plate Steel Heaters, Cast Iron Heaters, Pellet/Multi-Fuel Heaters and Gas Fireplaces from which to choose. The large selection of stoves and accessories will ensure warmth of your home with safe, quality products.