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Pre-Order-Mars Hydro iFresh 4″ (100mm) Smart Inline Duct Fan (Estimated Shipping: October 27)

Original price was: 109,99€.Current price is: 79,99€.

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(measured under lab no-load conditions)
    • Controller Type: Speed Controller & APP Smart Control*

The 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] Mars Hydro iFresh Airone6 Smart 2‑in‑1 Inline Duct Fan and Carbon Filter Combo with iControl Controller for Grow Tents

Original price was: 299,99€.Current price is: 249,99€.
The Mars Hydro MH-iFresh Airone6 combines a 6-inch inline fan and carbon filter into one compact ventilation system, paired with the Smart Control for smarter grow room management. Its integrated design saves valuable grow tent space, simplifies installation, and reduces airflow resistance for improved ventilation efficiency. Designed for 4'×4' and 5'×5' grow tents. Powered by an energy-efficient EC motor, Airone6 delivers up to 305 CFM airflow to remove excess heat, stabilize humidity, and refresh air efficiently. The high-iodine activated carbon filter helps eliminate unwanted odors, while smart control through the MarsPro APP allows growers to monitor conditions, set schedules, and automate airflow adjustments for a more consistent growing environment. Smart Ventilation Control – Automated Climate Management Paired with the Smart Control, Airone6 transforms traditional ventilation into a smarter system. Monitor temperature and humidity, create customized schedules, and automatically adjust fan speed through the MarsPro APP to maintain an ideal grow environment with less manual adjustment. ✓ App-Based Control ✓ Temperature & Humidity Monitoring ✓ Scheduled Ventilation ✓ Automatic Fan Speed Adjustment Integrated 2-in-1 Design – Saves Space & Simplifies Setup The fan and carbon filter are combined into one streamlined unit, reducing installation complexity and saving valuable grow tent space. The removable and replaceable carbon filter design makes maintenance easier, while optimized airflow channels help reduce resistance for improved performance. High-Performance Odor Elimination – Cleaner Exhaust Air Equipped with high-iodine-value activated carbon, Airone6 effectively captures complex organic odors from cultivation. The replaceable carbon filter provides long-lasting odor control while supporting a more sustainable ventilation solution. Energy-Efficient EC Motor – Powerful 305 CFM Airflow The advanced EC motor delivers powerful airflow with improved energy efficiency. Airone6 quickly removes hot air, balances humidity, and supports stable environmental conditions for healthier plant growth. Quiet & Comfortable Operation – 30–60 dB Airone6 operates at 30–60 dB while maintaining strong airflow performance. Maximum noise occurs only at full power, while everyday operation at moderate speeds provides a quieter and more comfortable growing environment. Adjustable Airflow + Pre-Filter – Extended Filter Life The built-in speed controller allows flexible airflow adjustment, while the washable pre-filter captures larger particles before they reach the carbon core. This helps protect the filter material and extends service life. 📦Package Including: This order will be shipped in two separate Package 1 1 × Airone6 Inline Fan with Carbon Filter 1 × iControl Controller 1 × 4 m Ventilation Duct 1 × Noise-Dampening Foam 1 × Power Cord 2 × Steel Hose Clamps 2 × Steel Hanging Brackets 1 × External Vent Grille Package 2 1 x iControl Controller 1 x Temp/Humidity Sensor 1 x Power Supply 4 x RJ12 T-Shape Splitters 3 x 0.25m (0.82ft) RJ12 Cords 5 x 2.5m (8.2ft) RJ12 Cords 2 x Hanging Kits Pair Airone6 with Mars Hydro clip fans for a complete grow tent airflow solution. For enhanced airflow circulation, you can add Mars Hydro clip fans to improve air movement throughout your grow tent. Airone6 and clip fans serve different purposes while working together to create an optimized airflow system. Airone6 manages ventilation, fresh air exchange, and odor control, while clip fans circulate air inside the grow tent to reduce stagnant zones and improve airflow distribution. Together, they create a balanced environment for healthier plant growth.

2026 New Mars Hydro iFresh Airone6 Smart 2-in-1 Inline Duct Fan with Carbon Filter for Grow Tents

199,99€ – 289,98€
The Mars Hydro MH-iFresh Airone6 combines a 6-inch inline fan and carbon filter into one compact unit, providing efficient ventilation and odor control for grow tents. Its integrated design saves space, simplifies installation, and reduces airflow resistance for improved performance. Powered by an energy-efficient EC motor, it delivers up to 305 CFM airflow to quickly cool and stabilize humidity, while high-iodine activated carbon effectively removes unwanted odors. Operating quietly at just 30–60 dB, Airone6 helps maintain a clean, comfortable, and ideal growing environment. Integrated 2-in-1 Design – Saves Space & Simplifies Setup The fan and carbon filter are combined into one streamlined unit, with the filter removable and replaceable separately. Takes up less room in your grow tent and reduces air resistance for better airflow compared to separate systems. Plug-and-play operation gets you growing fast. High-Performance Odor Elimination – Deep Purification Engineered with high-iodine-value activated carbon, the filter specifically targets complex organic odors from cultivation. It delivers reliable, deep purification for truly clean and odorless exhaust air. Energy-Efficient EC Motor – 305 CFM Airflow The EC motor provides energy efficiency and strong airflow, quickly cooling and stabilizing humidity. This creates a consistently ideal environment for healthy plant growth. Quiet Operation – 30–60 dB At 30–60 dB, the fan runs quietly while maintaining powerful airflow. Maximum noise (60 dB) occurs only at full power; most growers operate at 40–70%, where noise stays comfortable and airflow remains strong. Adjustable Airflow + Pre-Filter – Extended Durability The built-in speed controller lets you freely adjust airflow to create the ideal climate. The included pre-filter traps large particles before they reach the carbon core, significantly extending its service life. Package Contents 1 × Inline duct fan with carbon filter 1 × Speed controller 1 × 4 m ventilation duct 1 × Noise-dampening foam 1 × Power cord 2 × Steel hose clamps 2 × Steel hanging brackets 1 × External vent grille Smart Grow Integration Compatible with the Mars Hydro iControl Smart Controller and iHub Pro Smart Power Strip for smarter grow room automation. Manage airflow, schedules, and environmental responses through the MarsPro APP for a more connected growing experience.

Mars Hydro 4″ iFresh Inline Duct Fan with Refillable Carbon Filter | 205 CFM Smart-Ready Ventilation System

Original price was: 149,99€.Current price is: 119,69€.
Efficient Ventilation & Odor Control Solution Upgrade your grow room airflow with the Mars Hydro 4" iFresh Inline Duct Fan Kit, combining powerful ventilation and long-lasting odor filtration in one integrated system. Delivering efficient air exchange, odor control, and smart-ready expansion, it provides a reliable foundation for maintaining a cleaner, more stable growing environment. Powerful Air Exchange with Quiet Operation Powered by an energy-efficient motor, the 4" iFresh inline fan delivers up to 205 CFM airflow to efficiently remove excess heat and humidity while maintaining fresh air circulation in your grow space. Operating at just 26.8 dBA under lab no-load conditions, it provides powerful ventilation performance with reduced noise for a more comfortable growing environment. High-Efficiency Odor Filtration with Refillable Carbon Core The included high-quality activated carbon filter effectively captures unwanted odors, smoke, and VOCs, helping keep your grow space fresher and cleaner. Its refillable carbon core design allows you to replace the carbon instead of the entire filter, extending filter lifespan and reducing long-term maintenance costs. Smart-Ready Ventilation Upgrade Designed with an expansion port, the 4" iFresh inline fan can be upgraded with the MarsPro Add-On Pack for app-based smart climate control. Once connected, growers can monitor environmental data, create schedules, and automate ventilation adjustments for a more precise and convenient grow room management experience. Reliable Air Management for Indoor Growing From efficient air exchange and odor filtration to future smart upgrades, the Mars Hydro 4" iFresh Inline Duct Fan Kit delivers a flexible ventilation solution designed to support healthier growing environments. Whether used as a standalone system or upgraded with smart control, it provides the performance and adaptability modern growers need.

*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 >>

Mars Hydro iFresh 4″ Smart Ventilation Kit with iControl | Automated Grow Room Ventilation System with Refillable Carbon Filter

149,99€ – 186,98€
Smart Grow Room Ventilation System Upgrade your grow environment with an intelligent ventilation solution combining the Mars Hydro 4" iFresh inline fan, refillable carbon filter, and iControl smart controller. This integrated system delivers powerful air exchange, advanced odor filtration, and automated climate management, helping growers maintain a cleaner, more stable, and better-controlled growing environment. Powerful Ventilation with Efficient Air Exchange Powered by an energy-efficient EC motor, the 4" iFresh inline fan delivers up to 205 CFM airflow to efficiently exchange air, remove excess heat and humidity, and help maintain optimal grow room conditions. Featuring a durable IP44-rated water-resistant housing, it provides reliable performance for long-term indoor growing applications. High-Efficiency Odor Filtration with Refillable Carbon Core The high-quality activated carbon filter effectively captures unwanted odors, smoke, and VOCs from your grow space, helping maintain fresher and cleaner air. Its refillable carbon core design allows you to replace the carbon instead of the entire filter, extending filter lifespan while reducing long-term maintenance costs. Smart Climate Automation with iControl Connect the ventilation system with the iControl smart controller and MarsPro App to monitor temperature, humidity, and lighting conditions, create customized schedules, and automatically adjust fan speed based on real-time environmental changes. Smart automation helps maintain a more consistent growing environment with less manual adjustment. Integrated Air Management Solution for Grow Rooms Unlike traditional ventilation setups that require separate controllers and manual adjustments, the Mars Hydro iFresh Smart Ventilation Kit combines powerful exhaust, odor filtration, and intelligent automation into one streamlined system. Designed for growers who want reliable airflow management with smart upgrade capability, this system provides an efficient and flexible solution for maintaining a healthier indoor growing environment. Please Note: This order will be shipped in two separate packages. 🌱Package 1: 1 x iControl Controller,1 x Temp/Humidity/Light 3-in-1 Sensor,1 x Power Supply,4 x RJ12 T-Shape Splitters,3 x 0.25m (0.82ft) RJ12 Cords,5 x 2.5m (8.2ft) RJ12 Cords,2 x Hanging Kits 🌱Package 2: 1 x 4″ iFresh inline fan,1 x carbon filter,1 x Ducting,3 x Clamp,2 x Vent Cover

Mars Hydro iFresh 6 Inch (150mm) Smart Ventilation Kit | Inline Duct Fan & Carbon Filter Combo Equipped with iControl Smart Controller for Grow Tent

Original price was: 209,99€.Current price is: 179,99€.
  • Inline Fan/Duct/Filter Size: 6 Inch
  • Filter: Refillable carbon filter
  • Controller:2026 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 indoor growing setup with this efficient 150 mm (6‑inch) ventilation system, complete with the latest iControl smart controller. Built to maintain ideal airflow, temperature and humidity levels, this combo offers quiet running, accurate settings and smooth automation to support healthy plant development within your grow space.

Mars Hydro iFresh 6″ Smart Ventilation Kit with iControl | Automated Grow Room Ventilation System with Refillable Carbon Filter

Original price was: 209,99€.Current price is: 179,99€.
Smart Grow Room Ventilation System Upgrade your grow environment with an intelligent ventilation solution combining the Mars Hydro 6" iFresh inline fan, refillable carbon filter, and iControl smart controller. This integrated system delivers powerful air exchange, advanced odor filtration, and automated climate management, helping growers maintain a cleaner, more stable, and better-controlled growing environment. Powerful Ventilation with Efficient Air Exchange Powered by an energy-efficient EC motor, the 6" iFresh inline fan delivers up to 402 CFM airflow to efficiently exchange air, remove excess heat and humidity, and help maintain optimal grow room conditions. Featuring a durable IP44-rated water-resistant housing, it provides reliable performance for long-term indoor growing applications. High-Efficiency Odor Filtration with Refillable Carbon Core The high-quality activated carbon filter effectively captures unwanted odors, smoke, and VOCs from your grow space, helping maintain fresher and cleaner air. Its refillable carbon core design allows you to replace the carbon instead of the entire filter, extending filter lifespan while reducing long-term maintenance costs. Smart Climate Automation with iControl Connect the ventilation system with the iControl smart controller and MarsPro App to monitor temperature, humidity, and lighting conditions, create customized schedules, and automatically adjust fan speed based on real-time environmental changes. Smart automation helps maintain a more consistent growing environment with less manual adjustment. Integrated Air Management Solution for Grow Rooms Unlike traditional ventilation setups that require separate controllers and manual adjustments, the Mars Hydro iFresh Smart Ventilation Kit combines powerful exhaust, odor filtration, and intelligent automation into one streamlined system. Designed for growers who want reliable airflow management with smart upgrade capability, this system provides an efficient and flexible solution for maintaining a healthier indoor growing environment. Please Note: This order will be shipped in two separate packages. 🌱Package 1: 1 x iControl Controller,1 x Temp/Humidity/Light 3-in-1 Sensor,1 x Power Supply,4 x RJ12 T-Shape Splitters,3 x 0.25m (0.82ft) RJ12 Cords,5 x 2.5m (8.2ft) RJ12 Cords,2 x Hanging Kits 🌱Package 2: 1 x 6″ iFresh inline fan,1 x carbon filter,1 x Ducting,3 x Clamp,2 x Vent Cover

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

Original price was: 159,99€.Current price is: 111,99€.
*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. Refurbished units may ship with a different product version than shown in images. Functionality remains unaffected.

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(measured under lab no-load conditions)
  • Controller Type: Speed Controller & APP Smart Control*
  • Filter: Refillable carbon filter

The 2026 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 >>

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

108,99€ – 145,98€

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: 6 Inch
  • Airflow: 402CFM
  • Noise: 32dBA(measured under lab no-load conditions)
  • Controller Type: Speed Controller & APP Smart Control*

The 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 >>

REFURBISHED UNIT-Mars Hydro 6″ (150mm) Inline Fan And Refillable Carbon Filter Combo With Speed Controller

Original price was: 209,99€.Current price is: 145,99€.
*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. Refurbished units may ship with a different product version than shown in images. Functionality remains unaffected.
  • Fan/Duct/Filter Size: 6 Inch
  • Airflow: 402CFM
  • Noise: 32dB-A
  • Controller Type: Speed Controller
  • Filter: Refillable carbon filter
With a 6'' inline fan rated for 402CFM, an refillable activated carbon filter with Australian charcoal, and a knob controller applied to allow easy switching and adjustment of the fan speed, the Mars Hydro 6 inch inline duct fan and carbon filter combo provides everything you need to set up the ventilation in a grow tent. A good ventilation setup for grow tents measuring up to 5x5 feet.
Package Include: 6"inline duct fan with Speed Controller, 6" carbon filter, 25ft length flex ducting, 3 Duct Clamps