Syringe filter PTFE, 0.45 micron, 13 mm Syringe filter Hydrophilic PTFE, 0.2 micron, 25 mm ISO Individual Certified, 200 ml Volumetric Flask, Amber Coloured, Wide neck, 1000ml Flasks, Volumetric, w/ Stopper, Class A, USP Certificate, 2000 ml-5645030 ...