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Ripeng 60 Pcs Insulating Fire Brick 3218 F Rated Fire Bricks for Fireplaces Forges Heat Oven Kilns Wood Stove Insulation Block for Metal Clay Firing Jewelry Soldering, 9 x 4.5 x

These Insulating fire bricks are made of refractory clay, alumina and silica mixed materials. They have a porous structure. The insulation value is

6 Pieces Insulating Fire Brick for Kilns,Ovens,Forges,Metal Clay Firing,Fire Pit Accessories for Heater, Fireplaces,Jewelry

These Insulating fire bricks are made of refractory clay, alumina and silica mixed materials. They have a porous structure. The insulation value is

6 Pieces Insulating Fire Brick for Kilns,Ovens,Forges,Metal Clay Firing,Fire Pit Accessories for Heater, Fireplaces,Jewelry

JJ CARE Fire Brick - [9 x 4.5 x 2.5] - Insulating 2700°F Fire Bricks for

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6 Pieces Insulating Fire Brick for Kilns,Ovens,Forges,Metal Clay Firing,Fire Pit Accessories for Heater, Fireplaces,Jewelry Soldering, Size:9X4.5X2.5 : Arts, Crafts & Sewing

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Insulating Fire Brick 1.25 X 4.5 X 9 2500F, for Fireplace Fire Pit Kiln Forge Ovens Jewelry Wood Stove, Pack of 112 Lb Wet Mortar - Denmark