Is there a reason not to go with this simpler one from the same company? Looks like the db are similar and airflow is still higher than the stock S9. Of course I may be missing a lot here…

AC Infinity

RAXIAL S6, Inline Booster Duct Fan 6" with Speed Controller

Your source to create smart growing systems with components including advance grow tents, inline fans, clip-on fans, LED grow lights, and UIS™ co...