In this video, Lexi Lake and Benton Hutchinson introduce the Lasair® III 110 particle counter, highlighting its capabilities as a 0.1 µm particle counter suitable for clean room certification. They explain the differences between the portable and inline versions, emphasizing the portable model's user-friendly interface and data export features. The video also covers various accessories available for enhanced monitoring, including TRH probes and a HEPA filter scanner. The presenters stress the importance of calibration and support services offered by Particle Measuring Systems. Overall, the video aims to inform viewers about the product's applications and features for effective cleanroom control.