4 Pack Fire Bricks, 2300F 9" L x 4-1/2" W x 3/4" H Insulating Woodstove Firebricks, Refractory Clay Bricks for Fireplace, Kilns, Fire Pit, Grill, Pizza Oven

4-Pack Universal Fit: Each fire brick measures 9" x 4-1/2" x 3/4", the industry-standard replacement size compatible with most wood stoves and kilns. The 4-pack configuration provides the perfect quantity for a complete lining refresh or strategic spot repairs. By matching the exact dimensions of your worn-out originals, these bricks slide seamlessly into place, restoring your appliance's heat retention and efficiency | Premium Clay, 2300F Tough: Crafted from high-quality refractory clay, these insulating fire bricks withstand temperatures up to 2300F with a formidable 50MPa cold crushing strength. Their dense yet porous structure ensures exceptional thermal shock resistance, minimizing cracks during rapid heating and cooling cycles. This robust construction means your stove or fireplace operates safely under intense heat, giving you peace of mind during the coldest winter nights | Lightweight & Easy Cut: These fire bricks for grill are 3/4" thick, making them effortless to handle, drill, or trim with masonry tools. Whether you need a custom fit for a unique firebox shape or want to create a precision pizza oven floor, you can customize the profile in minutes. This user-friendly design empowers you to tackle replacement projects with confidence | Shock-Proof Durability: Engineered for long-lasting performance, these refractory bricks combine extreme thermal shock resistance with impressive mechanical strength to resist crumbling under repeated use. The result is fewer maintenance interruptions and a consistently efficient burn in your wood stove or outdoor fire pit | Safe for Every Flame: From indoor fireplaces and wood stoves to outdoor pizza ovens, kilns, forges, and campfire fire pits, these insulating fire bricks deliver versatile, food-safe protection wherever high heat is present. They create an effective thermal barrier that shields your appliance's metal walls from direct flame contact while reflecting heat back into the firebox. Whether you're baking artisan bread, forging metal, or simply enjoying a backyard fire, this 4 pack ensures you're equipped for any adventure