The Corning Costar Transwell Permeable Support 6.5mm Insert is a high-quality polystyrene plate designed for various medical, laboratory, and dental applications. Made in the United States by the reputable brand Corning, this 24-well plate features a 6.5mm diameter and is perfect for conducting experiments in fields like immunology, pediatric research, and microbiological analysis. This versatile platform is ideal for researchers and professionals working in a range of scientific disciplines to support their studies and investigations.