Straight K-23 Soft Fire Brick - 9.0x4.5x2.5

K-23 Insulating Firebrick 9 x 4.5 x 2.5 [26700] - $5.69 : Legend Inc. Sparks, Nevada USA

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

Klinker Brixstone 32,5X32,5 Antrasit 1,5 - K-Rauta

K-23 Insulating Firebrick 9 x 4.5 x 2.5 [26700] - $5.69 : Legend Inc. Sparks, Nevada USA

K-26 Soft Insulating Fire Brick (IFB)

Klinker Brixstone 32,5X32,5 Antrasit 1,5 - K-Rauta

K23 Insulating Firebrick (4) 9x4.5x2.5 + (8) 4.5x4.5x1 Thermal Ceramics 2300F

K23, K26- Insulating Fire Brick (IFB)

Brandfogskum fire foam 2-k 400ml fireseal - brandfogskum

K23 Insulating Firebrick (4) 9x4.5x2.5 + (8) 4.5x4.5x1 Thermal Ceramics 2300F

K23 HS Insulating Fire Brick - Spiral Arts

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