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BNZ Materials 9 x 4.5 x 2.5" 3000°F Insulating Firebrick - 12ct Box

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BNZ No.1 Arch Insulating Fire Brick 2600° 9" x 4.5" x 2.5" Box Of 11

Morgan K-23 No. 1 Arch Insulating Fire Brick 9" x 4.5" x 2.5" Box Of 12

Insulating Fire Brick, 2600F Rated, 4-Pack, 9" x 4.5" x 2.5", 3126R

Insulating Fire Brick for Ovens Kilns Blacksmith Fireplaces 9" x 4.5" x 2.5"

BNZ PA23 Insulating Fire Brick 9" x 4.5" x 2.5" Box Of 6

BNZ Materials 9 x 4.5 x 2.5" 2300°F Insulating Firebrick - 12ct Box

High Heat Insulation Blocks 2300F Alumina Silica 9 x 4.5 x 2.5 6 Pieces