VitraPOR®® porous sintered glass pellets, Borosilicate 3.3. with filter porosity 2, Ø 4.0 mm. Microcarrier material for adherent cell cultures. Made from pure, binder-free borosilicate glass 3.3. This inert and biocompatible carrier has a defined pore structure, tailored to support cell proliferation by preventing cell clumping and encouraging even distribution. With applications in research, biotechnology, and clinical trial preparation. VitraPOR®® meets the high standards required by industry professionals.