AtomStack D2 Air Purifier for Laser Engraver and CutterFeatures: 1. Designed for laser filtration: The AtomStack D2 Laser Air Purifier features a 3 layer filter, effectively removing 99. 5% of odors and harmful substances generated during laser cutting. 2. Contribute to environmental protection: Discharging the cutting waste gas directly into the atmosphere will cause more pollution so use an air purifier to make the air fresh; 3. Healthy creation: use the AtomStack laser air purifier and say goodbye to