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Insulating Firebrick

Lightweight insulating firebrick with low thermal conductivity — reduces heat loss for furnaces, kilns, and ovens.
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[11750-509-0402] Z-2300 9X4.5X2.5 STRT (12 per box)

Z-2300 9X4.5X2.5 STRT (12 per box)

$ 7.59
[11750-509-0402] Z-2300 13.5x9x2.5 STRT (5 PER CARTON)

Z-2300 13.5x9x2.5 STRT (5 PER CARTON)

$ 22.19
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