Our frit discs are available in a variety of sizes, both with and without polymer sealing rings, and in several porosities ranging from 0.5 µm to 20µm. Many of our frit discs are encased in a polymer ring for enhanced performance and proper sealing. Additionally, many of the rings are color coded for easier porosity identification. All of our Frits are available in numerous porosities to meet your system requirements. All our frits are designed with exceptional uniform porosity ensuring long filtration life.