This Porous Stone is 3.000in (76.2mm) diameter, 0.25in (6.4mm) thick and constructed of quality aluminum oxide material. The rigid disc supports either end of cylindrical soil samples while allowing two-way flow of fluids. See our complete line of Porous Stones or contact us for custom sizes and materials.
- Quality aluminum oxide material
- Wide variety of sizes in stock
- 3.000in Diameter Porous Stone, 0.25in Thick