The fan’s core motor and blade specifications are fully comparable to those found in flagship models from competing brands. The smart controller features a USB-based design that significantly reduces cable clutter, while the app provides advanced, customizable smart control strategies. Thanks to Mars Hydro's years of experience in the supply chain, this means you can get the best performance at the lowest cost.
The 2025 Mars Hydro 4" iFresh Inline Duct Fan delivers 205CFM airflow capacity, featuring an expansion port that enables app-based climate control when paired with the iFresh MarsPro Add-On Pack. This integration creates a fully automated ventilation system that intelligently monitors and optimizes your grow space environmental data.
*Important Note: To enable App control features, you need to purchase the Pro version (Includes iConnect controller and temperature and humidity sensor). If you choose the Standard version now, you can still upgrade later by purchasing the add-on pack separately. Click here to purchase >>
Included in the ventilation kit are a 4" inline duct fan, a 4" carbon filter, a speed controller, a 25-ft flexible duct tube, 3 duct clamps, and 2 hanging straps.
The Mars Hydro iFresh 4-inch inline fan is equipped with a PWM-controlled EC motor, ensuring growers achieve efficient and precise fan speed control, ultimately optimizing performance. This motor offers a longer service life compared to AC motors, enhancing safety and operating at a remarkably low noise level. The Australian activated charcoal carbon filter efficiently purifies the air, removing odors and particulates for a healthier grow space.
Powerful Airflow up to 205 CFM
With the capacity to deliver airflow up to 205 CFM, this fan kit provides precise environmental control. This significant airflow capacity ensures suitability for various grow tent sizes while enabling rapid temperature and humidity control.
Energy-Saving & Low-Noise
The fan operates at a voltage range of AC 110-240V, incorporating energy-saving technology to ensure efficient and quiet operation. This design allows for effective ventilation without compromising energy efficiency. The fan operates at a whisper-quiet noise level, minimizing any disturbance. This feature is particularly beneficial for indoor setups in residential areas, allowing you to maintain a tranquil growing environment.
Temperature and Humidity Smart Regulation
This fan kit supports upgradable smart control options, allowing you to constantly monitor VPD. Tailor the airflow and climate to meet the specific needs of your plants, fostering conditions that encourage robust growth and vitality.
App Intelligent Control
Connect via iFresh Add-on Pack for flexible control, enabling easy remote adjustments and monitoring of the growth environment. Connect to the MarsPro APP for convenient remote control and access to smart features, including alarms, climate triggers, and loop timers. With just a few clicks on your smartphone, adjust fan speed, control on/off functions, and automate device schedules. It provides growers with effortless and precise management of their grow space.
Affordable Bundle Includes Accessories
Designed for durability and ease of installation, the kit includes flexible ducting and all necessary accessories. Its versatility makes it suitable for various grow tent sizes, from small personal setups to larger operations.
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