The GSC International FSP100-250-KT is a complete lab glassware kit for liquid-liquid extraction, solvent separation, and organic chemistry experiments. This 3-piece set includes a 250ml borosilicate glass separatory funnel with a glass stopcock, a 250ml Erlenmeyer flask, and a durable funnel holder. Designed for precision in STEM, homeschool, or professional lab environments, the kit is ideal for teaching phase separation and solvent extraction techniques using high-quality, reusable components.