These graduated tips are designed for use with large-volume MLA and Ovation pipettors. Sterile and sterile filtered tips are made from high-grade, 100% virgin polypropylene, and are precision molded to strict dimensional standards to ensure consistent performance. Tips are available in a variety of packaging options. VistaClear™ packaging is constructed from PETE, an inert recyclable plastic, and collapses flat when empty for space-saving discard