Features:Two Tree air assist is widely compatible with Various laser engraver on the market including TWOTREES TS2/Totem S/TTS-55, Atomstack A5 Pro, Sculpfun S9/S6 Pro, Ortur Laser Master 2 Pro/S2/SF, FoxAlien Reizer 20W, KENTOKTOOL LE400PRO, Pergear LaserStorm L5, JICCODA LE-1.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/min 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.Specification: Size: 175x66x80mmWeight: 1.27kgColor: BlackMaterial: Aluminum AlloyAir Output: 10-30L/minAir Speed: 3.3-3.5m/sPower: 12V 36WPlug: EUCompatible Focal Length: 20-30mmCompatible Machines: Two Trees Totems/TTS/TS2, A5 pro, S9, S6 Pro, Master2 Pro, S2-SF, Master2, S2-SF, Reizer 20W, LE40OPRO, L5, LE-1Package Size: 295x160x110mm/11.6x6.2x4.3inPackage Weight: 1280g/2.8lbPacking List:1 x PU Tube1 x Air Pump1 x Reducer Pneumatic Fittings and Silicone Tubing1 x Control Valve1 x Black Acrylic1 x Blow Block1 x Power Adapter