Complete Set: This Erlenmeyer flask set includes 5 lab flasks and 5 matching rubber stoppers. They provide a secure seal to contain liquids and block strong chemical odors
Multiple Capacity: Our borosilicate glass flask set covers 5 sizes: 300ml, 250ml, 150ml, 100ml, 50ml. This variety meets your replacement needs for laboratory or educational use
Clear & Accurate Measurement: Each graduated beaker features accurate markings. The high transparency allows you to measure liquids efficiently and clearly observe reactions or changes during experiments
Lab-Grade Glassware: Made from 3.3 borosilicate glass, these conical flasks feature high chemical stability, which resist high temperatures, corrosion. The uniform wall thickness ensures sturdiness and long-lasting performance for repeated use
Various Applications: Designed for professional labs, chemistry experiments, science projects, liquid measurement. These narrow mouth flasks are also perfect for classroom use, brewing, and hydroponic plants