Features: The air assist is widely compatible with- various laser engraver on the market including TS2-/TT-5.5S/TTS-55, AtomstackA5 Pro, SculpfunS9/S6Pro, Ortur-Laser Master2 Pro/S2-/SF-etc Air assist can quickly reduce the surface- temperature of objects during engraving and cutting, preventing distortion and discoloration due to high temperatures, ensuring smooth lines, complete patterns-, and clean material surfaces. With large 10-30L/minute- adjustable airflow-range, and easy to control with switch- button. Only produce less than 60dB noise during operation, air assist set has the advantages of low noise and vibration, giving you a quiet laser engraving and cutting environment. Easy to install and use, no need to buy additional accessories, just two steps- to install and use. Specifications: Color: Black Material: Aluminum-Alloy Air Output: 10-30L/minute Air Speed: 3.3-3.5m/s Power: 12V 36W Plug: EU-/ US Optional Compatible Focal-Length: approx 20-30mm Size:As Pictures Weight: 1400g Compatible Machines: for Totems-/TTS/TS2, A5pro, S9, S6Pro, Master2 Pro, S2-SF, Master2, S2-SF, Reizer 20W, LE40OPRO, L5, LE-1 Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PCx Air Pump 1PCx Blow Block 1PCx Power Adapter