Item Type: Air Assist Pump Material: ASB Voltage: US Plug AC110V 60HZ Current 15 percent : 1067mA Power 15 percent : 15W Maximum Flow Rate: 30L/min Pressure: 30kPa Noise: 55dB 1AIRFLOW ADJUSTMENT: With adjustable airflow range of 10 30L/min and can be adjusted by rotating the knob, meet daily cutting projects, effectively suppress smoke and dust generated during laser cutting, improve laser efficiency and save time. 2APPLICABLE MODELS: This air assist pump is suitable for Two Trees Totems TTS TS2, for A5 pro S9 S6 Pro, for Master2 Pro S2 SF, for DI D1 PRO, for Master2 S2 SF, for Reizer 20W, for LE400PRO L5 LE 1, and other laser engraving machines. 3HIGH EFFICIENCY: This air assist pump utilizes air to quickly reduce the temperature of the cutting material surfaces, preventing deformation and discoloration due to high temperature, ensuring smooth lines, complete patterns, and clean surfaces. 4LASER LENS PROTECTION: This air assist kit can blow away debris and smoke generated during the working of the laser head, protect the lens of the laser head from pollution, greatly improve the lifespan of the laser head and the cutting efficiency of the engraver. 5LOW NOISE DESIGN: The amplitude of air assisted vibration is very small, with a low noise design of 55dB, which will not affect the focusing of the laser, as well as the integrity and continuity of the engraving machine operation. 1 x Air Assist Pump 1 x Hose 1 x Laser Fixer 1 x Laser Cover 1 x Hose Connection Tube 1 x Hose Air Pump Connector 1 x Laser Hose Connection Fixer 4 x Top Thread Screws 4 x M4x6 Cup Head Screws 4 x M4x10 Cup Head Screws 1 x M1.5 Hex Wrench 1 x M2.0 Hex Wrench 1 x M2.5 Hex Wrench