Whatmanβ³Membrane FiltersWhatman 420200 Polypropylene Swin-Lok Syringe-Type Reusable Membrane Filter Holders, 25mm Diameter, 3.5cm OD x 3.7cm Height (Pack of 10)$576.99View
Whatmanβ³Membrane FiltersWhatman 111110 Polycarbonate Nuclepore Track-Etched Membrane Filter, 47mm Diameter, 1.0 Micron (Pack of 100)$421.99View