Autofil® SS Bottle Top Filters Autofil® SS (Super Speed) top-of-the-line Bottle Top Filters in full assembly or by part, engineered for next generation purification of solvents for research and analytical applications. The Most Patented Vacuum Filtration System in the World! The Autofil® SS (Super Speed) Bottle Top filters gives even faster filtration! The Autofil® Vacuum Filtration System is a disposable, sterile, vacuum operated unit used for the preparation of buffers, tissue culture media, microbiological media, and other biological fluids. Designed for purposes of fine sterilization or clarification of aqueous laboratory fluids, the Autofil® system comprises a Foxx Life Sciences SECUREgrasp® media bottle attached to the filter; or Autofil® is also available as a funnel only bottle-top/vacuum tube filter. The filters are Gamma sterilized in the USA, Class VI materials. Autofil® is a higher quality, better priced, patented system. applications fine sterilization or clarification of aqueous laboratory fluids preparation of buffers, tissue culture media, microbiological media, and other biological fluids