The CZ-TD550w250W centrifugal blower fan rotates at 3,400 RPM, consumes 550W @110VAC/60Hz, and delivers 482.6 CFM of airflow at 0.35 psi. The fan utilizes a PMAC (Permanent Magnet AC) motor and is brushless

These are some specs from the same model 220v fan on another site:

Note: all of Thunder Laser USA equipment is 110VAC 60HZ. This is for reference only

This fan ships with the Nova 35, 51, and 63. 


 Details about the Nova 24 and Mini 60 fan can be found here:

W150 Inline Exhaust Fan Specs


To learn more about exhausting your laser see below: