Features: 1. Large airflow: Atomstack dual pump air assist, adjustable large airflow up to 10-60L/min, suitable for cutting work of high-power laser engraving machines, flawless cutting, fine engraving. 2. Non-clogging design: After long-term market feedback upgrades, the latest air assist greatly extends the service life of the pump body through multiple carefully designed anti-clogging features. 3. Highly adaptable to the second generation machine: easy to install and use, no need to purchase additional accessories, just two steps to install and use. Specifications: Product size: as shown Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-3cm measuring deviation due to manual measurement. Packing List: 1 X Air Assist