Features: This double ball porous gas absorption bottle delivers efficient gas filtration by maximizing gas liquid contact area, effectively removing pollutants for cleanly scrubbing. Constructed from glass, smoothly inner surfaces, high temperature tolerance, and easy maintenance. Ideal for students and educators in laboratory environments, this scrubbing bottle provides safe handling during hands on experiments. Perfect for chemistry and physics experiments in educational settings, it widely used for classroom demonstrations and research labs. Versatile and essential for scientific teaching devices, it supports multi disciplinary applications, enhancing learning efficiency with its robust and user friendly construction. Specifications: Component: Glass Color: Clear Three Capacity Option: 100ml, 250ml, 500ml Weight: Approx. 400-800g Package Includes: 1Piece Flue gas filter bottle body × note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color