the laser machine is ready to work, the exhaust fan and the air pump and the water pump are included. (But when you using a big power laser tube, it is suggested to buy a water chiller for cooling the laser tube) https://www.thunderlaser.com.au/how-to-use-your-laser-machine/how-to-setup-your-mini60-laser-system.html https://www.thunderlaser.com.au/how-to-use-your-laser-machine/how-to-setup-your-nova-laser-cutter.html