The 2025 Mars Hydro iFresh 4″ Inline Duct Fan is the perfect solution for small to medium grow tents, providing reliable and efficient airflow management. With a high-performance EC motor, precision blade design, andquiet 26 dBA noise output, it matches the quality of leading flagship models while remaining cost-effective. Thanks to Mars Hydro’s supply chain experience.
Smart functionality is built in: the USB-based controller reduces cable clutter and enables app-based automation when paired with the iFresh MarsPro Add-On Pack. In Auto Mode, the fan maintains a 25% baseline speed and automatically adjusts when your set temperature or humidity thresholds are reached—keeping your grow environment stable without constant manual input.
Durable, efficient, with the possibility of upgrade, the iFresh 4″ inline fan is ideal for growers seeking a compact yet fully automated ventilation solution.
Main characteristics and benefits:
Compact Power – 205 CFM airflow capacity for grow tent ventilation with a 4″ duct diameter.
Ultra Quiet – operates at just 26 dBA for noise-sensitive spaces.
Smart Control Ready – integrates with iControl app for climate monitoring and automation.
Energy-Efficient EC Motor – ensures strong airflow with low energy consumption.
Auto Mode – maintains steady airflow and automatically responds to climate triggers.