Chemicals such as PM (Particle Matters) and VOCs (Volatile Organic Compounds) can be released when you 3D print with or laser engrave on certain types of materials. These chemicals are harmful when inhaled, and they harm the environment. If you value air safety for your good and the environment, you should find yourself the Snapmaker 2.0 Air Purifier. It has outstanding features that bring a new level of air safety. The Snapmaker 2.0 Air Purifier is a tailor-made filter cartridge for your Snapmaker 2.0. With five layers of different filters consolidated into one, it will absorb emissions during laser engraving or the 3D printing process Other notable features of the Snapmaker air purifier · Status Light to show you how the Air Purifier is working· Full-metal design for durability· Customized Activated Carbon Filter· Long lifespan You can purchase the Snapmaker 2.0 Air Purifier from the website https://us.snapmaker.com/products/snapmaker-2-0-air-purifier at an affordable price!