

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 Smart Inline Duct Fan
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.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
Mars Hydro 4 Inch Inline Duct Fan With Speed Controller
Mars Hydro 4 Inch Inline Duct Fan and Refillable Carbon Filter Combo With Speed Controller
Mars Hydro 6 Inch Inline Duct Fan and Refillable Carbon Filter Combo With Speed Controller
- Fan/Duct/Filter Size: 6 Inch
- Airflow: 402CFM
- Noise: 32dBA
- Controller Type: Speed Controller
- Filter: Refillable carbon filter
Ventilation Accessories
Mars Hydro 6 Inch Grow Tent Clip Fan Auto-Oscillating Fan [Pre-sale: Estimated shipping starts March 20]
- 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 – Set of 2 [Pre-sale: Estimated shipping starts March 20]
- Clip Fan Size: 6 Inch
- Max Airflow: 315CFM
- Fan Speed: 0-2100RPM(10-Speed Adjustment)
Which one is right for you?
|
|
|
|
---|---|---|---|
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. |