Porous Stone is 1.953 x 1.953in (49.6 x 49.6mm) WxD, 0.25in (6.4mm) thick. It is machined from superior aluminum oxide material. These stones are used when testing soil specimens to allow free movement of water or other permeants.
- Precisely sized square shape
- Quality aluminum oxide material
- 1.953 x 1.953in Porous Stone, 0.25in Thick