Mitutoyo 156-106 Μm Stand, 0-2 In/0-50 mm, Fixed Angle with Platform: Amazon.com: Industrial & Scientific
Sartorius 11406-50-ACR Membrane Disc Filter, Cellulose Nitrate, Sterile, White with Black Grids, 0.45 μm, 50 mm (Pack of 1000): Amazon.com: Industrial & Scientific
CELLTREAT 229721 150 mL Filter System, PES Filter Material, 0.10 μm, 50 mm, Sterile, 8.5 cm L, 15.5 cm H, 8.5 cm W, Polystyrene (Pack of 12): Amazon.com: Industrial & Scientific
Amazon.com: Trajan 054835 Capillary Column, BP624 3.0µm, 0.53 mm x 50 m : Industrial & Scientific
GE Bio-Sciences 10414014 Membrane Filter Circle, 50 mm Diameter, Polyamide NL 16, 0.2 µm Pore Size (Pack of 100): Amazon.com: Industrial & Scientific