---
product_id: 397054091
title: "– 4 Inch Inline Fan Carbon Filter Ducting Kit, Exhaust Fan with Speed Controller Hydroponics Grow Tent Ventilation Kit for Heating Cooling Booster, Grow Tents, Hydroponics"
brand: "mars hydro"
price: "R6985"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Mars Hydro"
url: https://www.desertcart.co.za/products/397054091-4-inch-inline-fan-carbon-filter-ducting-kit-exhaust-fan
store_origin: ZA
region: South Africa
---

# 40W energy efficient 28 dB ultra-quiet 205 CFM airflow – 4 Inch Inline Fan Carbon Filter Ducting Kit, Exhaust Fan with Speed Controller Hydroponics Grow Tent Ventilation Kit for Heating Cooling Booster, Grow Tents, Hydroponics

**Brand:** mars hydro
**Price:** R6985
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your grow game with silent, powerful airflow—because your plants deserve the best.

## Quick Answers

- **What is this?** – 4 Inch Inline Fan Carbon Filter Ducting Kit, Exhaust Fan with Speed Controller Hydroponics Grow Tent Ventilation Kit for Heating Cooling Booster, Grow Tents, Hydroponics by mars hydro
- **How much does it cost?** R6985 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/397054091-4-inch-inline-fan-carbon-filter-ducting-kit-exhaust-fan)

## 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

- • **Built to Last:** Durable plastic housing with dual ball bearings ensures long-lasting, reliable performance 24/7.
- • **Plug-and-Play Setup:** Quick-install removable duct ends with locking tabs and a 4.9 ft cord make setup effortless and maintenance a breeze.
- • **Whisper-Quiet Operation:** At just 28 dB, this fan keeps your environment stealthy and distraction-free—no jet engine vibes here.
- • **Precision Climate Control:** Variable speed controller lets you dial in perfect airflow for your grow tent or hydroponic setup.
- • **Optimized Airflow Powerhouse:** Delivers a robust 205 CFM airflow to boost ventilation, heating, and cooling for thriving plants.

## Overview

The MARS HYDRO 4 Inch Inline Fan Carbon Filter Ducting Kit is a high-efficiency ventilation solution designed specifically for hydroponic grow tents and indoor gardening. Featuring a variable speed controller, ultra-quiet 28 dB operation, and a powerful 205 CFM airflow, it ensures optimal climate control. Its durable construction and easy plug-and-play installation make it a reliable choice for professional growers seeking consistent, stealthy performance.

## Description

Free delivery and returns on eligible orders. Buy MARS HYDRO 4 Inch Inline Fan Carbon Filter Ducting Kit, Exhaust Fan with Speed Controller Hydroponics Grow Tent Ventilation Kit for Heating Cooling Booster, Grow Tents, Hydroponics at desertcart UK.

Review: Great - Can’t fault it. Easy to use and setup. I’ve had mine on 24/7 for 4 month now. Still no issues
Review: Excellent - excellent fan very quiet and stealthy much better than some of the jet engines out there. filter still good after three grows.

## 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 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 11,581 in Garden ( See Top 100 in Garden ) 8 in Hydroponic Ventilation Equipment |
| Brand | MARS HYDRO |
| Colour | Black |
| Compatible Devices | Grow Tent |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,214) |
| Date First Available | 4 Jan. 2021 |
| Energy Efficiency | Highly efficient |
| Included Components | Straps |
| Installation Type | plug-and-play |
| Item Weight | 6.38 kg |
| Material Type | Plastic, charcoal, aluminium foil |
| Model | 4 inch inline fan kit |
| Noise Level | 28 Decibels |
| Part Number | 4 inch inline fan kit |
| Product Dimensions | 43.18 x 35.56 x 33.02 cm; 6.38 kg |
| Special Features | Variable Speed Controller, Specialized for Grow Tents and Hydroponics |
| 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
- **Noise level:** 28 Decibels
- **Product dimensions:** 30.2D x 19.4W x 19.1H centimetres
- **Special feature:** Variable Speed Controller, Specialized for Grow Tents and Hydroponics
- **Style:** Carbon Filter
- **Wattage:** 40 watts

## Images

![– 4 Inch Inline Fan Carbon Filter Ducting Kit, Exhaust Fan with Speed Controller Hydroponics Grow Tent Ventilation Kit for Heating Cooling Booster, Grow Tents, Hydroponics - Image 1](https://m.media-amazon.com/images/I/71I5FX4e8JL.jpg)

## 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by L***M on 30 September 2025*

Can’t fault it. Easy to use and setup. I’ve had mine on 24/7 for 4 month now. Still no issues

### ⭐⭐⭐⭐⭐ Excellent
*by C***Y on 6 April 2025*

excellent fan very quiet and stealthy much better than some of the jet engines out there. filter still good after three grows.

### ⭐⭐⭐⭐⭐ Perfect item for all home growers
*by C***D on 25 April 2025*

Fantastic value for money , used in a 3x3 tent for mushrooms and microgreens and enables perfect passive air exchange Controller is extremely easy to use and set different parameters for automatic on and timers including high humidity activation etc Thoroughly recommend the item

## 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/397054091-4-inch-inline-fan-carbon-filter-ducting-kit-exhaust-fan](https://www.desertcart.co.za/products/397054091-4-inch-inline-fan-carbon-filter-ducting-kit-exhaust-fan)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-19*