The U.S. Standard Sieve Series Sieve No. 38 is a high-quality lab equipment made in the United States. This 3" sieve features a bottom cup for easy collection of samples. With a size range of .0015 ~ 400, it is designed for precise sieving and filtering in various industries, including medical and dental. The U.S.A. Standard brand ensures reliability and top-notch performance, making it a valuable tool for professionals in need of accurate and efficient sieving capabilities.