At One Click Purchasing, we are your reliable source for the NSN part PP2157 manufactured by Thermo Scientific Portable. We carry a wide range of popular NSN items on our website, including Culture Medium Tryp like part number PP2157 which is listed with the NSN 6550016449834 for easy identification. If you are interested in PP2157 item, then take the advantage of our online RFQ service, or peruse our website as you see fit to find other items of interest that you may wish to learn more about.