---
product_id: 397054091
title: "– iFresh 4\" Grow Tent Exhaust Fan kit with RJ12 Speed Controller"
brand: "mars hydro"
price: "R12025"
currency: ZAR
in_stock: true
category: "Mars Hydro"
url: https://www.desertcart.co.za/products/397054091-ifresh-4-grow-tent-exhaust-fan-kit-with-rj12-speed
store_origin: ZA
region: South Africa
---

# 28 dB ultra-quiet 3-speed variable control 205 CFM airflow – iFresh 4" Grow Tent Exhaust Fan kit with RJ12 Speed Controller

**Brand:** mars hydro
**Price:** R12025
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your grow game with whisper-quiet, precision airflow!

## Quick Answers

- **What is this?** – iFresh 4" Grow Tent Exhaust Fan kit with RJ12 Speed Controller by mars hydro
- **How much does it cost?** R12025 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/397054091-ifresh-4-grow-tent-exhaust-fan-kit-with-rj12-speed)

## 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

- • **Plug-and-Play Setup:** Hassle-free installation with removable duct ends and a generous 4.9 ft cord for quick, flexible placement.
- • **Robust & Reliable Build:** Durable plastic housing with dual ball bearings ensures long-lasting performance and consistent airflow.
- • **Whisper-Quiet Operation:** Experience near-silent ventilation at just 28 dB, perfect for discreet, professional indoor gardening.
- • **Optimized for Hydroponics:** Specialized 4-inch inline fan designed to boost ventilation in grow tents, hydroponic systems, and AV closets.
- • **Precision Climate Control:** Tailor your grow tent environment with a smooth 3-speed variable controller for optimal airflow and temperature.

## Overview

The MARS HYDRO 4 Inch Inline Fan Carbon Filter Ducting Kit delivers powerful 205 CFM airflow with ultra-quiet 28 dB operation. Featuring a 3-speed variable controller and easy plug-and-play installation, it’s engineered for optimal ventilation in hydroponic grow tents and indoor gardening setups. Durable construction with dual ball bearings ensures reliable, long-term performance.

## Description

Free delivery and returns on eligible orders. Buy MARS HYDRO iFresh 4" Grow Tent Exhaust Fan kit with RJ12 Speed Controller | Air Filtration,Ventilation System with Quiet Inline Fan,Carbon Filter,13ft Ducting for Grow Room Cooling and Odor Control at desertcart UK.

## Features

- Grow Tent Fan: Designed to ventilate hydroponic grow rooms, transfer heating/cooling, circulate air, and cool AV closets.
- Effective Ventilation: Variable speed controller for easy fan speed adjustment. Optimal ventilation for your planting.
- Low Noise Level: Durable plastic fan housing and blades for extremely low noise(28 dB), create a truly quiet growth environment.
- Easy Installation: Removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 4.9 feet for hassle free setup.
- Ventilation exhaust fan size: 4” | Dimensions: 11.9 x 8 x 7.4 in. | Weight: 4 lb. | Airflow: 205 CFM | Noise: 28 dB | Bearings: Dual Ball. Any questions , please feel free to contact us, MARS HYDRO 24 hours at your service!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08RZ3D69D |
| Air Flow Capacity | 205 Cubic Feet Per Minute |
| Best Sellers Rank | 10,351 in Garden ( See Top 100 in Garden ) 8 in Hydroponic Ventilation Equipment |
| Brand Name | MARS HYDRO |
| Collection Name | Inline Fans |
| Colour | Black |
| Control Method | App |
| Country of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (170) |
| Electric Fan Design | Exhaust Fan |
| Finish Type | Powder Coated |
| Included Components | Straps |
| Indoor Outdoor Usage | Indoor |
| Installation Type | plug-and-play |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 30.2D x 19.4W x 19.1H centimetres |
| Item Weight | 6.38 Kilograms |
| Manufacturer | MARS HYDRO |
| Material | Plastic, charcoal, aluminium foil |
| Model Name | 4 inch inline fan kit |
| Model Number | 4 inch inline fan kit |
| Mounting Type | Duct Mount |
| Noise Level | 28 Decibels |
| Number of Packs | 1 |
| Number of Power Levels | 3 |
| Number of Speeds | 3 |
| Part Number | 4 inch inline fan kit |
| Power Source | ac |
| Recommended Uses For Product | Exhausting, Ventilating |
| Size | 4" with APP/Knob Control |
| Special Features | Variable Speed Controller, Specialized for Grow Tents and Hydroponics |
| Speed | 3000 RPM |
| Standby Power Shutoff | Highly efficient |
| Style | Carbon Filter |
| Voltage | 12 Volts |
| Wattage | 40 watts |

## Product Details

- **Brand:** MARS HYDRO
- **Colour:** Black
- **Electric fan design:** Exhaust Fan
- **Material:** Plastic, charcoal, aluminium foil
- **Mounting type:** Duct Mount
- **Power source:** ac
- **Product dimensions:** 30.2D x 19.4W x 19.1H centimetres
- **Recommended uses for product:** Exhausting, Ventilating
- **Special feature:** Variable Speed Controller, Specialized for Grow Tents and Hydroponics
- **Style:** Carbon Filter

## Images

![– iFresh 4" Grow Tent Exhaust Fan kit with RJ12 Speed Controller - Image 1](https://m.media-amazon.com/images/I/71I5FX4e8JL.jpg)

## Available Options

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

## Questions & Answers

**Q: Does it come with an UK Plug?**
A: Yes, it is UK Plug.

**Q: Are other MARS products also UK plugs?**
A: Yes, all MARS HYDRO products are UK plugs.

## Frequently Bought Together

- MARS HYDRO 4 Inch Inline Fan Combo with Variable Speed Controller, Quiet Cooling Booster Fan,205 CFM Exhaust Fan for Grow Tents and Hydroponics
- MARS HYDRO TS1000 150W LED Grow Light for Indoor Plants, with Patented Reflector, 5 Levels Dimmable Lights Daisy Chain Full Spectrum Growing Lamps for Seedlings Veg Bloom in 2x2/3x3 Grow Tent

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**Shop now:** [https://www.desertcart.co.za/products/397054091-ifresh-4-grow-tent-exhaust-fan-kit-with-rj12-speed](https://www.desertcart.co.za/products/397054091-ifresh-4-grow-tent-exhaust-fan-kit-with-rj12-speed)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-30*