About this item 0.22 μm Filtration Precision: 0.22 μm PTFE membrane enables efficient particle retention and reliable sample clarification for laboratory-grade filtration workflows Integrated Non-Removable Design: fixed membrane structure ensures precise alignment between filter and drainage layers delivering stable and consistent filtration performance Material Construction: clear polystyrene (PS) body combined with LDPE drainage layer provides optical clarity and strong chemical compatibility for routine laboratory use 96-Well Standard Format: ANSI/SLAS-compliant 96-well configuration with 300 μL working volume per well compatible with automated liquid handling systems and multichannel pipettes High-Throughput Compatibility: optimized for parallel processing in sample preparation workflows supporting routine laboratory filtration and high-throughput screening applications