Buy Chempure® Syringe Filter with outer ring, PES (Polyethersulfone) Membrane, 0.45μm Porosity, 13mm Diameter, PP Housing, Non-Sterile, Bulk Packed, 100pcs/pack Code- CS6590 (PES 13mm 0.45um Non-Sterile) | Silkrute Japan | Silkrute Japan