Mi Fires Derwent Premium Replacement Firebrick Set

Premium replacement vermiculite firebrick set, precision-cut for the Mi Fires Derwent stove.
Set comprises:
1 base brick (FB20357208) — 20 × 357 × 208mm
1 left side brick (FBS25267197L) — 25 × 267 × 197mm
1 right side brick (FBS25267197R) — 25 × 267 × 197mm
Material: High-grade vermiculite
Maximum service temperature: 1100°C
Please compare the measurements and brick layout with your existing set before ordering. Measurements are shown as thickness × width × height.
Allow the stove to cool fully before fitting. Handle vermiculite carefully and do not overtighten any retaining components.