Sartorius Minisart™ HY Syringe Filters. Max. Volume: 0.25mL; Sterile; Individually packed. Designed for fast and reliable sterile venting and gas filtration. Sartorius Minisart™ HY Syringe Filters are single-use, complete filtration units with a naturally hydrophobic PTFE membrane and medical acrylic housing. Choose from 0.2 and 1.0µm pore