Check the listing for details. Clay Adams No. 3050 Pre-Cleaned Rite-On Micro Slides. NEW.. Condition: New – Open box, Made in United States. Listed at 16.00 USD. The Clay Adams No. 3050 Pre-Cleaned Rite-On Micro Slides are a new product designed for use in microscope applications. These micro slides are pre-cleaned and specifically labeled as "Rite-On" for easy identification. The brand Clay Adams is well-known for producing high-quality laboratory equipment and accessories. These slides are ideal for healthcare, lab, and dental professionals who require accurate and reliable microscope slides for their work.