Cat. No Model Description Unit Prices F13-61-413 PTFE020025S  PTFE Membrane Filter Ø25mm / 0.2μm Hydrophobic 100/PK Inquiry F13-61-416 PTFE045025S  PTFE Membrane Filter Ø25mm / 0.45μm D type 100/PK Inquiry F13-61-414 PTFE100025S  PTFE Membrane Filter Ø25mm / 1.0μm D type 100/PK Inquiry F13-61-419 PTFE020047S  PTFE Membrane Filter Ø47mm / 0.2μm D type 100/PK Inquiry F13-61-422 PTFE045047S  PTFE Membrane Filter Ø47mm / 0.45μm D type 100/PK Inquiry F13-61-423 PTFE100047S  PTFE Membrane Filter Ø47mm / 1.0μm D type 100/PK Inquiry