Hearth Plate for Pyradia and W&W Furnaces/cast refractory

Hearth Plate / Tile for Pyradia Furnaces and "Old Style" (Pre-MAS) Williams and Wilson Furnace.
Cast low cement high alumina refractory.

23"d x 16.25"w x 4-1/8"h (58cm x 40cm x 11.5cm)
Floor thickness: 1-1/2" (3.8cm)