The Millipore Sigma Accessory for Glass Microanalysis Filter Holder XX1012503 is a high-quality laboratory accessory designed for precise microanalysis of glass samples. Made by the trusted brand Millipore in the United States, this filter holder is ideal for use in various laboratory settings including physical, dental, medical, and biological laboratories. Its precise design and reliable construction make it a valuable tool for researchers and professionals seeking accurate and detailed analysis of glass materials.