- US Sales
- International Sales
- Technical Support
- Human Resources
GSA-212 2.340in (59.4mm) Porous Stone, 0.25in Thick (6.35mm) is placed at the top or bottom of soil specimens during consolidation testing to allow free flow of fluids through the sample under load. The sturdy stone is made of porous aluminum oxide.
Enter your name, email, and questions below and we will reply during business hours (8am - 5pm EST, Monday through Friday).