PES Syringe Filters, Sterlitech, 0.22 Micron, 13mm, 100/Pk, have features that include outstanding compatibility with acids, bases, and oxidizers, as well as hydrophilicity, high porosity, and an asymmetric pore structure. Compatible with aqueous solutions and incompatible with organic solvents, acids, and bases. Applications: Clarification of protein laden solutions, sterilization of food sciences, life sciences, biopharmaceutical solution, filtration of fluids with high particle loads, and processing immunoassay and nucleic acid hybridization samples.