---
product_id: 303860595
title: "MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics"
brand: "mars hydro"
price: "€ 245.57"
currency: EUR
in_stock: true
reviews_count: 11
category: "Mars Hydro"
url: https://www.desertcart.fr/products/303860595-mars-hydro-ifresh-4-inline-duct-fan-205-cfm-quiet
store_origin: FR
region: France
---

# 205 CFM airflow Full app & remote control Ultra-quiet EC motor MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics

**Brand:** mars hydro
**Price:** € 245.57
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your grow game with silent, smart airflow mastery!

## Quick Answers

- **What is this?** MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics by mars hydro
- **How much does it cost?** € 245.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/303860595-mars-hydro-ifresh-4-inline-duct-fan-205-cfm-quiet)

## Best For

- mars hydro enthusiasts

## Why This Product

- Trusted mars hydro brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Whisper-Quiet Power:** 205 CFM airflow driven by an energy-efficient brushless EC motor ensures maximum ventilation without the noise.
- • **Durable & Dust-Resistant:** Premium ABS housing with IP42 rating guarantees long-lasting performance even in tough indoor gardening conditions.
- • **Precision Climate Control:** Real-time temp & humidity monitoring with Mars Hydro app integration keeps your grow environment flawless.
- • **Customizable Speed Settings:** 7 adjustable speeds plus a dedicated speed controller let you tailor airflow perfectly to your grow tent’s needs.
- • **Mixed-Flow Design for Uniform Air Distribution:** Engineered to push air farther and more evenly, eliminating hotspots and boosting plant health.

## Overview

The MARS HYDRO iFresh 4'' Inline Duct Fan delivers powerful 205 CFM airflow with whisper-quiet operation thanks to its brushless EC motor. Designed for indoor gardening and hydroponics, it features full app and remote control compatibility for real-time climate monitoring and customizable speed settings. Built with durable ABS plastic and IP42 dust/liquid resistance, this fan ensures reliable, uniform ventilation across your grow tent, optimizing plant health and growth.

## Description

desertcart.com: MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics : Patio, Lawn & Garden

Review: 10 de 10 - Funciona a la perfección cuando se integra con el ecosistema Mar Hydro desde el Icontrol43
Review: Good inline fan - Had problem with it turning on and off but downloaded the updated version software from the app and it works good.

## Features

- APP Control：Fully compatible with Mars Hydro iControl, iHub Pro, and iConnect Controller — unlock remote control and display Real-time temperature and relative humidity data , with customizable functions: alarms, climate triggers, loop timers.
- Energy-Saving & Quiet EC Inline Fan: The inline fan boasts powerful performance with airflow at 205 CFM with no noise，Controlled by PWM, fully adjustable and more energy-efficient
- Mixed-Flow Design ： featured with a mixed-flow design that enables the fan to distribute air over greater distances, ensuring uniform airflow throughout your entire grow tent
- Build to last: Made of premium ABS plastic housing for superior durability, IP42 rated, making it highly resistant to dust and liquids, and performs well even in harsh environments
- Adjustable Speed Controller: If you do not have a Mars Hydro controller, the product is also equipped with a speed controller，it allows you to set your Inline fan speed freely

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BRSKN2W7 |
| Air Flow Capacity | 205 cfm |
| Best Sellers Rank | #175,390 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #71 in Hydroponic Ventilation Equipment |
| Blade Material | Plastic |
| Brand | MARS HYDRO |
| Brand Name | MARS HYDRO |
| Collection Name | Inline Duct Fans |
| Color | Black |
| Control Method | App, Remote |
| Controller Type | App Control, Remote Control |
| Customer Reviews | 3.9 out of 5 stars 58 Reviews |
| Electric Fan Design | Blower |
| Electric fan design | Blower |
| Finish Type | Glossy |
| Included Components | Remote Control, App Control, Wall Mount |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Wall Mount |
| Item Weight | 2.47 kg |
| Manufacturer | MARS HYDRO |
| Material | Plastic |
| Model Name | iFresh |
| Model Number | iFresh 4 Inch |
| Motor Type | Brushless |
| Mounting Type | Wall Mount |
| Number of Packs | 1 |
| Number of Power Levels | 3 |
| Number of Speeds | 7 |
| Part Number | MH-4iFreshfan |
| Power Source | Corded Electric |
| Recommended Uses For Product | Exhausting |
| Size | 4" |
| Special Features | App Control, Variable Speed, Temperature & Humidity Probe |
| Speed | 2600 rpm |
| Standby Power Shutoff | High Efficiency |
| Style | Modern |
| Unit Count | 1 Count |
| Wattage | 30 watts |

## Product Details

- **Brand:** MARS HYDRO
- **Color:** Black
- **Controller Type:** App Control, Remote Control
- **Electric fan design:** Blower
- **Material:** Plastic
- **Mounting Type:** Wall Mount
- **Power Source:** Corded Electric
- **Recommended Uses For Product:** Exhausting
- **Special Feature:** App Control, Variable Speed, Temperature & Humidity Probe
- **Style:** Modern

## Images

![MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics - Image 1](https://m.media-amazon.com/images/I/61wSGqgInNL.jpg)
![MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics - Image 2](https://m.media-amazon.com/images/I/61L41YD9s4L.jpg)
![MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics - Image 3](https://m.media-amazon.com/images/I/7130KG6ejSL.jpg)
![MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics - Image 4](https://m.media-amazon.com/images/I/61l0wmFLEhL.jpg)
![MARS HYDRO iFresh 4'' Inline Duct Fan, 205 CFM Quiet EC Motor Grow Tent Ventilation Exhaust Fan with Speed Controller for Grow Room Cooling，Booster，Indoor Gardening ，Hydroponics - Image 5](https://m.media-amazon.com/images/I/71w1ZbjSLbL.jpg)

## Available Options

This product comes in different **Pattern, Size** options.

## Questions & Answers

**Q: Is this a rebranded AC infinity controller ?**
A: How many fans can plug into Controller?? The AC Infinity can control intake and exhaust fans from one controller can this one do that?

**Q: How do you get the humidity control to work? My settings have them off.**
A: hi thanks for your question. please hold the up and down button Simultaneously for a seconds, then you can setting the humidity like Temperature.
Still any problem, feel free to contact our customer.

**Q: How many amps does this pull?**
A: Hi,
Thanks for your inquiry.
The input current for the 6 inch inline fan is 0.8 amps.
Hope this helps you.
Regards,

**Q: How can I buy the controller only ? I have a fan**
A: Hi
Thank you for your inquiry!
Please contact MARS HYDRO after-sales team, they will provide you with solutions
Any questions, please feel free to contact us~

## Customer Reviews

### ⭐⭐⭐⭐⭐ 10 de 10
*by E***Z on July 15, 2026*

Funciona a la perfección cuando se integra con el ecosistema Mar Hydro desde el Icontrol43

### ⭐⭐⭐⭐⭐ Good inline fan
*by S***S on June 7, 2025*

Had problem with it turning on and off but downloaded the updated version software from the app and it works good.

### ⭐ Deceptive marketing, this by itself cannot connect to your phone as images indicate
*by C***. on April 30, 2026*

Warning: this company practices deceptive marketing, illegal in some countries, like Japan. After receiving this, following the manual, and downloading their app, I was unable to connect. After searching for how to reset the fan, I found a video that had the process for resetting the fan burried among how to reset other devices. Nowhere in the product details, the included instructions, or the video, do they mention you need to purchase another USB devicd in order to connect. It took days for me to finally learn this, after submitting a support ticket, and speaking to two different agents. I should have read the other reviews!

## Frequently Bought Together

- MARS HYDRO 6 Inch Inline Duct Fan with Temp Controller, Exhaust Fan for Grow Tents, Hydroponics
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**Shop now:** [https://www.desertcart.fr/products/303860595-mars-hydro-ifresh-4-inline-duct-fan-205-cfm-quiet](https://www.desertcart.fr/products/303860595-mars-hydro-ifresh-4-inline-duct-fan-205-cfm-quiet)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-08-29*