For aqueous and organic solvent filtrations where reduced contamination is required. Inherently hydrophilic. Contains no wetting agents. Provide extremely low levels of extractables. Easy to handle. Can be used in reusable filter holders to sterilize or clarify buffers, culture media, HPLC solvents, ultraclean solutions for electronics laboratories, etc. Autoclavable. Packaged non-sterile. 47 mm diameter.