K23 Soft Fire Brick 2.5 – The Potter's Center

Soft insulating fire brick. Dimensions: (9'' x 4.5'' x 2.5'')  Rated to 2300℉

Executive Deals Insulating Fire Brick for Ovens, Kilns, Fireplaces, Forges -8 Piece Full Brick (9 x 4.5 x 2.5) 2300 Degree Fahrenheit/1260 Celsius : Arts, Crafts & Sewing

K23 Refractory Brick

SUPER DUTY HARDBRICK-STRAIGHTS

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

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

K23 Insulating Firebrick 8 x 4.5 x .50 Morgan Thermal Ceramics 2300F Box of 4

Maximum Use Temperature: This insulating firebricks has high temperature insulation up to 2500F Size: Each fire brick measures 0.75 x 4.5 x 9 in

Simond Store Insulating Fire Bricks, 2500F Rated 0.75 x 4.5 x 9 - Soft Fire Bricks for Forge Wood Stove Pizza Oven Fireplace Fire Pit Kiln Jewelry

Aardvark Clays

Plainsman Clays Store

IFB (insulating fire brick) are commonly referred to as soft firebricks. These measure 2.5 thick, 4.5 wide, and 9 length. Rated working temperature

Soft Firebrick 2.5

Executive Deals Insulating Fire Brick for Ovens, Kilns, Fireplaces, Forges -8 Piece Full Brick (9 x 4.5 x 2.5) 2300 Degree Fahrenheit/1260 Celsius : Arts, Crafts & Sewing

K25 fire bricks box of 12