Uniform wall thickness: evenly heated, sturdy and pressure resistant, ensuring safety during the experimental process. High borosilicate 3.3 material: thickened design, high temperature resistance, high transparency, durability, ensuring stability for long-term use. GL45 standard cover: gasket seal to prevent leakage, detachable small mouth design, more flexible and convenient to use. Welding process: Smooth and flat welding, made at 1100 ° C, stress relieved at 560 ° C, and naturally cooled in the furnace to ensure high quality and long service life of the product. Bottom anti slip design: Unique anti slip structure, stable placement, safer use. Applicable scenarios: Gas washing operation in chemical experiments Gas production and collection Vacuum pump protection in filtration, vacuum distillation, and rotary distillation experiments Capacity: 500ml Material: High borosilicate glass + PP Applicable scenarios: Gas washing operation in chemical experiments Gas production and collection Vacuum pump protection in filtration, vacuum distillation, and rotary distillation experiments Color: Transparent Package Contents: 1*Laboratory gas washing bottle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.