

iFresh Smart Series
Mars Hydro delivers premium ventilation equipment, offering an intelligent cooling and filtration system tailored for your grow tent.
- Powerful
- Efficiency
- Quiet
- Intelligent
Mars Hydro 2025 iFresh MarsPro Add-On Pack
- Mars Hydro iConnect Smart Controller ×1
- Temperature & Humidity Sensor ×1
Important Compatibility Notice:
- 2025 iFresh MarsPro Add-On Pack is only compatible with: iFresh 2025 models (versions with a circular cover panel featuring an interface port)
Please check your device model before purchasing.
Mars Hydro iFresh 4-inch Inline Duct Fan
*Important Note: To enable App control features, the additional purchase of the 2025 iFresh MarsPro Add-On Pack (sold separately) is required. Click here to purchase>>
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.Mars Hydro iFresh 6-inch Inline Duct Fan
*Important Note: To enable App control features, the additional purchase of the 2025 iFresh MarsPro Add-On Pack (sold separately) is required. Click here to purchase>>
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.2025 Mars Hydro iFresh 4 Inch Inline Duct Fan and Refillable Carbon Filter Combo with Speed Controller
*Important Note: To enable App control features, the additional purchase of the 2025 iFresh MarsPro Add-On Pack (sold separately) is required. Click here to purchase>>
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.2025 Mars Hydro iFresh 6 Inch Inline Duct Fan and Refillable Carbon Filter Combo with Speed Controller
*Important Note: To enable App control features, the additional purchase of the 2025 iFresh MarsPro Add-On Pack (sold separately) is required. Click here to purchase>>
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.2025 Mars Hydro 4-Inch iFresh Inline Duct Fan Kit
*Important Note: To enable App control features, the additional purchase of the 2025 iFresh MarsPro Add-On Pack (sold separately) is required. Click here to purchase>>
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.[Smart Ventilation Kits]Mars Hydro iFresh 4″ Inline Duct Fan | Carbon Filter Combo | 6″ Clip-on Fan | New iControl Controller
- Inline Fan/Duct/Filter Size: 4 Inch
- Filter: Refillable carbon filter
- Oscillating Fan:6" Clip-on Fan
- Controller:2025 iControl Smart controller
- Upgrade your grow setup with this efficient 4-inch ventilation system, now paired with a powerful 6-inch clip fan and 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.
- Please Note: This order will be shipped in three 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 🌱Package 3: 1 x 6″ Clip-on fan,1 x power cord.
[Smart Ventilation Kits]Mars Hydro iFresh 6″ Inline Duct Fan | Carbon Filter Combo | 6″ Clip-on Fan | New iControl Controller
- Inline Fan/Duct/Filter Size: 6 Inch
- Filter: Refillable carbon filter
- Oscillating Fan:6" Clip-on Fan
- Controller:2025 iControl Smart controller
- Upgrade your grow setup with this efficient 6-inch ventilation system, now paired with a powerful 6-inch clip fan and 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.
- Please Note: This order will be shipped in three 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 🌱Package 3: 1 x 6″ Clip-on fan,1 x power cord.
2025 Mars Hydro 6-Inch iFresh Inline Duct Fan Kit
*Important Note: To enable App control features, the additional purchase of the 2025 iFresh MarsPro Add-On Pack (sold separately) is required. Click here to purchase>>
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.

Thermostat Controller Series
Auto-adjusts based on temperature and humidity
- Powerful
- Efficiency
- Quiet
- Intelligent
Mars Hydro 4 inch Inline Duct Fan with Thermostat Controller
Mars Hydro 6 inch Inline Duct Fan with Thermostat Controller
Mars Hydro 4 Inch Inline Duct Fan And Refillable Carbon Filter Combo With Thermostat Controller
- Fan/Filter/Duct Size: 4 Inch
- Airflow: 205CFM
- Noise: 26.8dB-A
- Controller Type: Digital Thermostat Controller
Mars Hydro 6 Inch Inline Fan And Refillable Carbon Filter Combo With Thermostat Controller


Speed Controller Series
Knob control, mastered in one hand
Ventilation Accessories
Mars Hydro 6 Inch Grow Tent Clip Fan Auto-Oscillating Fan – Set of 2
- Clip Fan Size: 6 Inch
- Max Airflow: 315CFM
- Fan Speed: 0-2100RPM(10-Speed Adjustment)
Mars Hydro 4 Inch Refillable Inline Air Carbon Filter Odor Control
Mars Hydro 6 Inch Refillable Inline Air Carbon Filter Odor Control
Mars Hydro 6 Inch Grow Tent Clip Fan Auto-Oscillating Fan
- Clip Fan Size: 6 Inch
- Max Airflow: 315CFM
- Fan Speed: 0-2100RPM(10-Speed Adjustment)
Which one is right for you?
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|
|
---|---|---|---|
Inline Fan Type |
iFresh Smart Series |
Thermostat Controller |
Speed Controller |
Duct Size |
4''/6'' |
4''/6'' |
4''/6'' |
Motor style |
EC motor |
EC motor |
EC motor |
Speed Control Type |
PWM |
PWM |
PWM |
Controller |
Knob / App remote control |
Temperature / Humidity Programming |
Stepless Speed Knob |
Temp and Humidity sensor | √ |
√ |
x |
Maximum Airflow |
205 CFM / 402 CFM |
205 CFM / 402 CFM |
205 CFM / 402 CFM |
Fan Speed |
3000±10% RPM |
3000±10% RPM |
3000±10% RPM |
Input Power |
27 W / 62W ±5% |
27 W / 62W ±5% |
27 W / 62W ±5% |
Buying Guide |
1. iFresh Smart Series: Ideal for users with remote control needs. It supports Bluetooth/WiFi connections to the app, allowing you to set timers and smart temperature and humidity strategies via the app, while also supporting manual speed control with a knob.
2. Thermostat Controller Series: Perfect for users with constant temperature/humidity requirements. You can set automatic temperature and humidity triggers through the controller.
3. Speed Controller Series: Suitable for most indoor growers with cooling or air purification needs. It offers high cost-performance, with simple yet stable functionality.
The Duct Fan and Carbon Filter Combo is suitable for most users, but if you're a beginner or planning to expand into a completely new growing space, we highly recommend purchasing the Complete Fan Kit, which includes more accessories. |