Choose from 47 mm or 90 mm microfiltration glassware consisting of an all-glass filter apparatus with a 40/35 glass joint connecting the filter support base to the filter flask. The components of FILTERWARE 47 mm microfiltration glassware are interchangeable with the corresponding components of other manufacturers items and can be used with filtering manifolds. HPLC Mobile Phase Filtration. Analysis of Particulate or Bacterial Contamination. General Laboratory Microfiltration. Scientists rely on the expertise and artistic skills of Wilmad-LabGlass engineers and glass specialists to manufacture NMR and EPR consumables and laboratory glassware of the highest quality. Used daily in academia, healthcare and chemical, petroleum and other industrial applications, Wilmad offers 7000+ items as part of their standard catalog as well as custom fabrication for individual glassware, glass repair services and OEM glass parts.