20/10/2008 · SAVILLEX PFA products. Savillex offers a wide range of PFA labware, from vials and columns through to pressure vessels and filter holders. Vials and jars with closures are available from 3 ml to 2000 ml volume. The new translucent 50 ml block digestion tubes molded from high purity PFA are cleaner than Polypropylene or PTFE digestion tubes