assist is widely compatible with Various laser-engraver on the market including TS2/ S/TTS-55, Atomstack A5 Pro, Sculpfun S9/S6 Pro, Laser-Master 2 Pro/S2/, Reizer 20W, KENTOKTOOL LE400PRO, LaserStorm L5, LE-1. 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 10-30L/min adjustable airflow range, and easy to control with switch button.Only produce less than 60dB noise during operation, 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.Size: 175x66x80mmWeight: 1.27kg Output: 10-30L/min Speed: 3.3-3.5m/s: 12V 36WCompatible Length: 20-30mmPlug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on.color:BlackMaterial:MetalPackage Contents:1 x PU Tube1 x Pump1 x Reducer Pneumatic Fittings and Silicone Tubing1 x Control Valve1 x Black Acrylic1 x Blow Block1 x AdapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.