This Porous Stone is 2.740in (69.6mm) diameter, 0.50in (12.7mm) 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
- 2.740in Diameter Porous Stone, 0.50in Thick