Home » News » PTFE Syringe Filter » Iso9001 25mm PTFE syringe filter online Iso9001 25mm PTFE syringe filter online Corning® 25 mm Diameter Syringe Filters, 0.45 µm Pore PTFE Syringe Filters IMPORTANT UPDATE: Some items may be delayed in shipping or out of stock due to extremely high demand.