Eisco Labs Graduated Fermentation Tube with Foot is crafted from high-quality borosilicate glass. It features a clear graduated scale for precise measurements and a footed base for stability during experiments. Ideal for fermentation experiments, microbiology, biochemical studies, and educational purposes, this tube ensures accurate observations and results. The durable borosilicate glass construction is easy to clean and suitable for repeated use, making it perfect for laboratory professionals, educators, and students. Tube diameter: 0.5 Reservoir diameter: 1.1” Base diameter: 2.3” Height: 7”