🔥✅ Whatman Syringe Filter PPTFE Puradisc .45um Pore 25mm Diameter, NOS, free s
Factory Sealed, New Old Stock, I do not see or know expiration date FYI. Whatman Syringe Filter PPTFE Puradisc 0.45um Pore 25mm Diameter, 50 units. Catalog no 6784-2504, Free shipping