Sterile P20 pipette tips are designed to work with the Biomek NXp and FXp Span-8 systems, and, like all our pipette tips, are made of 100% premium grade virgin polypropylene. The innovative Span-8 tip design lets you more efficiently automate processes such as compound retrieval, consolidation, and reformatting to and from a variety of labware types. Capacity for each tip (including air gaps) is 100 μL. Case of 10 racks.