The 4 Inch Inline Duct Fan from Hon&Guan is a compact and efficient ventilation solution that’s perfect for small grow tents and tight spaces. With 200 CFM of airflow, this fan delivers consistent fresh air exchange essential for maintaining temperature and humidity levels that help create a healthier environment for your plants. Equipped with a modern EC motor, it uses up to 50% less energy than traditional fans while running quietly around 55 dB, meaning it’s ideal for discreet grows. Removable duct ends make installation effortless, while its variable speed controller allows you to dial in just the right amount of airflow. Built with sturdy construction, it ensures durability in hot, humid grow spaces. If you need a bit more airflow, check out the 5 Inch Inline Duct Fan 228 CFM. For larger spaces, the 6 Inch Inline Duct Fan 400 CFM is where it’s at.
Granddaddy Purple Automatic 
+1 strain
+2 strains
