Pall 4542 Acrodisc Syringe Filter with PTFE Membrane, 13 mm Diameter, 0.2 um Pore Size, Nonsterile Price: $1,796.46 Specifications for this item Brand Name Pall Material polytetrafluoroethylene_(ptfe) Model Number 4542 Number of Items 1 Part Number 4542 Chat Now Hydrophobic Durapore® 0.22 µm Capsule Filters -