🔍 Elevate Your Lab Game with Precision! 2000 tubes ensure you’re always prepared for testing. Compatible with both standard and modified procedures. Conforms to USP Type III requirements for reliable results. Yellow calibration markings for easy reading and precision. Crafted from high-quality soda-lime glass for unmatched accuracy. 115 mm length Pack of 2000 Precision-drawn glass The Kimble64FR828B Soda-lime Glass Wintrobe ESR Tube is a high-quality, round-bottomed testing tube designed for accurate erythrocyte sedimentation rate measurements. With a length of 115 mm and an inner diameter of 3 mm, these precision-drawn glass tubes come in a bulk pack of 2000, ensuring your lab is always equipped for reliable testing. The tubes feature yellow calibrations for easy reading and are manufactured to meet USP Type III standards.