PALL 4438TC Acrodisc Syringe Filters with Nylon Membrane, 0.45 µm, 25mm, 50/pkg

Excellent chemical compatibility with esters, bases, and alcohols.
Saves time because no prewetting is required.
Easy filtration of particulate-laden samples with the glass fiber prefilter version. Prevents spurious peaks on chromatograms for accurate experimental results. HPLC certified for low levels of UV-absorbing extractables.