This lot of 3 scientific brass 8" US standard testing sieves is from the Fisher Scientific Company, known for its reputation in providing high-quality laboratory equipment. Specifically designed for biological laboratories, these sieves are intended for precise and accurate particle analysis. With mesh sizes of #8, #18, and #80, these sieves are perfect for various scientific research and testing purposes, ensuring reliable results in a controlled environment. Ideal for professionals in the healthcare, lab, and dental industries, these sieves are a valuable addition to any scientific workspace. See all photos for full description