Exhaust is extremely important for laser operation.  You have a nice laser, DO NOT go cheap on exhaust.  Material dust and debris are laser killers.

Exhaust can be done with one of two methods:

  1. Blower – blow all smoke outside, unfiltered – above are suggestions
  2. Filtered, self contained fume system. below are suggestions

The following photos are examples of what happens when using underpowered exhaust…