This Porous Stone is 2.750in (69.9mm) 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. Contact us for custom sizes and materials.
- Quality aluminum oxide material
- Wide variety of sizes in stock
- 2.750 Diameter Porous Stone, 0.25in Thick