manufacture of therapeutics that transform human health. New products • Whatman Puradisc™ H-PTFE Syringe filters: 0.2 and 0.45 µm pore size, 13 and 25 mm diameters • Whatman Uniflo™ H-PTFE Syringe filters: 0.2 and 0.45 µm pore size, 13 and 25 mm diameters • Whatman 850-DS Channel Filter plate with expanded range of membranes