The Q-Max 6" 400 CFM is ideal for growers running smaller setups that need quiet and consistent airflow. Designed with acoustic insulation, this fan produces significantly less noise compared to standard inline fans — meaning it’s a great choice for discreet setups or shared living spaces. Delivering 400 CFM, it manages heat and humidity efficiently in compact tents or closets, helping to prevent mold and ensuring your plants get plenty of fresh air necessary to thrive. Its energy-efficient motor and durable mixed-flow impeller deliver consistent, reliable performance that keeps your environment stable without drawing too much power. For large setups that need to remain discreet, the Q-Max 12" 1709 CFM offers the same quiet operation with seriously boosted airflow. The Max-Fan 6" 334 CFM, on the other hand, won’t reduce noise — but it’s a solid entry-level option if you’re just getting started.