7 lb. 2.5 in. x 4.5 in. x 9 in. Fire Clay Brick 23A - The Home Depot

Executive Deals Insulating Fire Brick for Ovens, Kilns, Fireplaces, Forges - 4 P - New

9-in x 4.5-in Fire brick Yellow Clay Brick in the Brick & Fire

Rutland 4.5 in. x 9 in. x 1.25 in. Fire Brick (6 per Box) 604

8 in. x 2-1/4 in. x 4 in. Clay Solid Brick RED0126MCO - The Home Depot

7 lb. 2.5 in. x 4.5 in. x 9 in. Fire Clay Brick 23A - The Home Depot

H.C. Muddox 4-1/2 in. x 2-1/2 in. x 9 in. Fire Brick Clay

Firebricks designed to reflect maximum heat into the living area. Meets or exceeds residential building codes. Withstands temperatures produced by any wood fire. Build, repair, or replace fireplace bricks, fire pits, pizza ovens and stove linings. Can be painted.

Rutland 4.5 in. x 9 in. x 1.25 in. Fire Brick 2000f (6 per Box)

7 lb. 2.5 in. x 4.5 in. x 9 in. Fire Clay Brick 23A - The Home Depot

7 lb. 2.5 in. x 4.5 in. x 9 in. Fire Clay Brick 23A - The Home Depot

Clay Brick & Fire Brick at

8 in. x 2-1/4 in. x 4 in. Clay Solid Brick RED0126MCO - The Home Depot

7-5/8 in. x 2-1/4 in. x 3-5/8 in. Clay Brick 20050941 - The Home Depot

7 lb. 2.5 in. x 4.5 in. x 9 in. Fire Clay Brick 23A - The Home Depot

9-in x 4.5-in Fire brick Yellow Clay Brick in the Brick & Fire