Features: ?? Widely compatible: Our A1 Air Pump for WAINLUX JL/L series, like our new model JL7/L6 and hot sell JL3 laser engraving machine( please notice, if you need to install air assist kits to JL3 machine, need to change laser head to 10W first, otherwise there will be problem assembly) ?? Adjustable Speed: The air pump has a speed control design, you can adjust the flow rate from 0-30L/Min by rotating the regulator, and adjust the airflow speed according to the needs of the laser engraving machine. ?? High Durability: High-strength aluminum alloy structure, not easy to damage, very strong and durable, greatly extending the service life ?? Low Noise and Low Vibration: Upgraded silent design, the internal structure of the machine and the external anti-vibration feet greatly reduce noise or vibration, providing a quiet working environment of less than 32dB. ?? Stable Air Pressure Output: High stability design, it can maintain a stable air output even if it has been working for a long time. Specification: Model: A1 Size: 138x60x60mm Weight: 0.78KG Pressure: >0.03Hpa Air capacity: 16-30L/Min Freq: 50Hz Volt: 110-240V Pipe length: 1.5M Voltage: 110-240V Plug: US, UK, EU, AU (Optional) Package Size: 23.2x14x10cm/9.1x5.5x3.9in Package Weight: 0.93kg/32.8oz Packing List: 1 x Air Pump 1 x Power Adapter 1 x 45 Gas Nozzle 1 x Screwdriver 1 x M2.5*6 Cross Screw 3 x Tie Up 1 x 150cm Trachea