*Mars Hydro Certified Refurbished Products have undergone rigorous testing and assessment to ensure they meet quality standards, allowing you to make purchases at affordable prices. However, please note that Refurbished Products do not enjoy the same warranty policy as new products. Once sold, returns or exchanges are not supported unless there are quality-related issues.

• Inline Fan/Duct/Filter Size: 4 Inch
• Filter: Refillable carbon filter
• Controller:2026 iControl Smart controller

• Please note: The iControl controller does not include a power cord. Please connect the controller to the fan for power supply.
• 4-Inch Inline Duct Fan & Carbon Filter Combo with iControl Smart Controller – a complete grow tent ventilation system that ensures powerful airflow, odor elimination, and smart climate control for healthier indoor plants.