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2025 Mars Hydro iFresh 4″ (100mm) Smart Inline Duct Fan

79,9999,98

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.

Product Specifications

    • Fan/Duct/Filter Size: 4 Inch
    • Airflow: 205CFM
    • Noise: 26dBA
    • Controller Type: Speed Controller & APP Smart Control*

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,In Auto Mode, the fan runs at 25% by default and automatically switches to a set speed when the temperature or humidity reaches your trigger point—helping maintain a stable indoor temperature without the need for constant manual adjustment.


*Important Note: To enable App control features, you need to purchase the MarsPro Add-On Pack (Includes iConnect controller and temperature and humidity sensor). You can purchase it directly in the add on option, or upgrade later by purchasing the add-on pack separately. Click here to purchase >>

[Smart Ventilation Kits]Mars Hydro iFresh 4″ (100 mm) Inline Duct Fan & Carbon Filter Combo with iControl Smart Controller

Original price was: 179,99€.Current price is: 149,99€.
  • Inline Fan/Duct/Filter Size: 4 Inch
  • Filter: Refillable carbon filter
  • Controller:2025 new iControl Controller,1 x Temp/Humid 2-in-1 Sensor,2 x RJ12 T-Shape Splitter,2 x 0.25m RJ12 Cord,3 x 2.5m RJ12 Cord
  • Please note: The iControl controller does not include a power cord. Please connect the controller to the fan for power supply.
  • Upgrade your grow setup with this efficient 4-inch ventilation system, now paired with the latest iControl smart controller. Designed for optimal airflow, temperature, and humidity management, this combo delivers quiet operation, precise control, and seamless automation for healthier plant growth.

[Smart Ventilation Kits]Mars Hydro iFresh 6″ (150 mm) Inline Duct Fan & Carbon Filter Combo with iControl Smart Controller

Original price was: 209,99€.Current price is: 179,99€.
  • Inline Fan/Duct/Filter Size: 6 Inch
  • Filter: Refillable carbon filter
  • Controller:2025 new iControl Controller,1 x Temp/Humid 2-in-1 Sensor,2 x RJ12 T-Shape Splitter,2 x 0.25m RJ12 Cord,3 x 2.5m RJ12 Cord
  • Please note: The iControl controller does not include a power cord. Please connect the controller to the fan for power supply.
  • Upgrade your grow setup with this efficient 6-inch ventilation system, now paired with the latest iControl smart controller. Designed for optimal airflow, temperature, and humidity management, this combo delivers quiet operation, precise control, and seamless automation for healthier plant growth.

2025 Mars Hydro iFresh 4″ (100 mm) Inline Duct Fan and Refillable Carbon Filter Combo

125,99145,99

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.

Product Specifications

  • Fan/Duct/Filter Size: 4 Inch
  • Airflow: 205CFM
  • Noise: 26dBA
  • Controller Type: Speed Controller & APP Smart Control*
  • Filter: Refillable carbon filter

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 MarsPro Add-On Pack (Includes iConnect controller and temperature and humidity sensor). You can purchase it directly in the add on option, or upgrade later by purchasing the add-on pack separately. Click here to purchase >>

2025 Mars Hydro iFresh 6″ (150mm) Inline Duct Fan

103,99119,99

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.

Product Specifications

  • Fan/Duct/Filter Size: 6 Inch
  • Airflow: 402CFM
  • Noise: 32dBA
  • Controller Type: Speed Controller & APP Smart Control*

The 2025 Mars Hydro 6" iFresh Inline Duct Fan delivers 402CFM 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,In Auto Mode, the fan runs at 25% by default and automatically switches to a set speed when the temperature or humidity reaches your trigger point—helping maintain a stable indoor temperature without the need for constant manual adjustment.


*Important Note: To enable App control features, you need to purchase the MarsPro Add-On Pack (Includes iConnect controller and temperature and humidity sensor). You can purchase it directly in the add on option, or upgrade later by purchasing the add-on pack separately. Click here to purchase >>