Features: Two Tree air assist is widely compatible with various laser engravers on the market, including TWOTREES TS2/Totem S/TTS-55, Atomstack A5 Pro, Sculpfun S9/S6 Pro, Ortur Laser Master 2 Pro/S2/SF, Alien Reizer 20W, KENTOKTOOL LE400PRO, Pergear LaserStorm L5, and 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 a large 10-30L/min adjustable airflow range and easy control via a switch button. Produces less than 60dB of noise during operation, providing a quiet laser engraving and cutting environment with low vibration. Easy to install and use without the need for additional accessories—just two steps for setup and operation. Specifications: Size: 175x66x80mm Weight: 1.27kg Color: Black Material: Aluminum Alloy Air Output: 10-30L/min Air Speed: 3.3-3.5m/s Power: 12V 36W Plug: EU Compatible Focal Length: 20-30mm Compatible Machines: Two Trees Totems/TTS/TS2, A5 Pro, S9, S6 Pro, Master2 Pro, S2-SF, Reizer 20W, LE400PRO, L5, LE-1 Package Size: 295x160x110mm / 11.6x6.2x4.3in Package Weight: 1280g / 2.8lb Packing List: 1 x PU Tube 1 x Air Pump 1 x Reducer Pneumatic Fittings and Silicone Tubing 1 x Control Valve 1 x Black Acrylic 1 x Blow Block 1 x Power Adapter