The Mettler Toledo Rainin REF 30389213 Pipette Tips are high-quality pipette tips designed for use in various laboratory settings, including physical, microbiological, and biological laboratories. Made in the United States, these pipette tips are compatible with Mettler Toledo pipettes and are perfect for precise and accurate measurements. The lot includes 2 packs of tips, ensuring you have an ample supply for your laboratory needs. These pipette tips are a reliable and essential tool for researchers and professionals in the healthcare, lab, and dental industries.