Titration Beakers are made in three sizes and fit common Metrohm and Mettler-Toledo sample changer/autosampler platforms. Made from virgin polypropylene providing excellent visibility and good resistance to acids. MP-117 is equivalent to Metrohm 6.1459.300 and 6.1459.307 absent threads and threaded cap option. Fits multiple USB and Robotic Sample platforms used with Metrohm Titration systems. MP-118 is a widely used size for titration/TAN/TBN systems by Mettler-Toledo. Equivalent to M-T 00101974, 511093388 & 51109389; Dyn-a-med 80099; Precision Weighing Balances 99008; Fisher Scientific NC9485544; VWR 56221-531 & 12578-108. MP-129 is a common beaker size for Omnis platform titratation systems. Equivalent to Metrohm 6.01400.200. Fits Sample Rack 6.02041.030 and beaker adaptor 6.01404.030 used with Sample Robots S, M and L.