Thermo Scientific™ SureSTART™ Level 1 WebSeal™ 96-Well Round U-Bottom Mid-well Plates are designed for everyday chromatography analysis. They provide an affordable choice for use with most HPLC/UHPLC instrument types, and are ideal for non-regulated laboratories using water, water and polar solvents, and polar solvents. These 96-well plates are specification certified to ensure autosampler compatible physical dimensions and conform to ANSI-SLAS 4-2004 standards. Seal these well plates with SureSTART WebSeal 96-Well Plate Sealing Mats, 8 mm Diameter, Round, Level 1.