Dec 02, 2021 · A 25 mm diameter sterile syringe filter with a 0.8 µm pore size Mixed Cellulose Esters membrane. Comes in a pack of 50. Sterile, clear 96-well filter plate with 0.22 um pore size Hydrophilic PVDF membrane for Receptor/Ligand Binding Assays, Protein Kinase/Phosphatase Precipitation Assays & Bead-based Assays.