---
product_id: 386637054
title: "4 Inch Inline Fan and Filter with Temperature and Humidity Controller, Carbon Filter, 33ft Length Flex ducting, 3 Duct Clamps"
brand: "mars hydro"
price: "A$511"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/386637054-4-inch-inline-fan-and-filter-with-temperature-and-humidity
store_origin: AU
region: Australia
---

# 28 dB ultra-quiet Smart temp & humidity control 205 CFM airflow 4 Inch Inline Fan and Filter with Temperature and Humidity Controller, Carbon Filter, 33ft Length Flex ducting, 3 Duct Clamps

**Brand:** mars hydro
**Price:** A$511
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 4 Inch Inline Fan and Filter with Temperature and Humidity Controller, Carbon Filter, 33ft Length Flex ducting, 3 Duct Clamps by mars hydro
- **How much does it cost?** A$511 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/386637054-4-inch-inline-fan-and-filter-with-temperature-and-humidity)

## 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

- • **Powerful Airflow:** Robust 4-inch inline fan delivers 205 CFM to efficiently ventilate grow tents, AV closets, or hydroponic rooms.
- • **Energy-Smart Design:** Runs on 12V with only 50 watts, combining high airflow with A+ energy efficiency for sustainable performance.
- • **Whisper-Quiet Operation:** Durable plastic housing and dual ball bearings keep noise at a barely-there 28 dB—perfect for discreet, professional setups.
- • **Plug & Play Installation:** Removable duct ends with locking tabs and 33ft flex ducting plus 3 clamps make setup and maintenance effortless.
- • **Precision Climate Control:** Intelligent digital controller programs temperature, humidity, fan speed, timer, and alarms for flawless environment management.

## Overview

The MARS HYDRO 4 Inch Inline Fan and Filter kit is a high-efficiency ventilation solution designed for hydroponic grow rooms and climate-sensitive spaces. Featuring a powerful 205 CFM airflow, ultra-quiet 28 dB operation, and an intelligent temperature and humidity controller with programmable settings, it ensures optimal environmental control. The kit includes a carbon filter, 33ft flexible ducting, and duct clamps for easy installation and maintenance, all while maintaining energy-efficient performance at just 50 watts.

## Description

MARS HYDRO 4 Inch Inline Fan and Filter with Temperature and Humidity Controller, Carbon Filter, 33ft Length Flex ducting, 3 Duct Clamps

## Features

- Grow Tent Fan: Designed to ventilate hydroponic grow rooms, transfer heating/cooling, circulate air, and cool AV closets.
- Multifunction: Ventilation Exhaust Fan with Intelligent Temperature Humidity Controller programming, fan speed control, timer, and alarm system, More Effective 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: 4lb. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MARS HYDRO |
| Model | 4 inch inline fan kit-CP |
| Product Dimensions | 45.72 x 35.56 x 35.56 cm; 1.81 kg |
| Energy Efficiency | High |
| Efficiency (10 classes) | A+ to G |
| Maximum Rotational Speed | 2550 RPM |
| Noise Level | 28 Decibels |
| Part Number | 4 inch inline fan kit-CP |
| Special Features | Digital controller with temperature and humidity programming, speed control, timer and alarm system |
| Colour | Black |
| Voltage | 12 Volts |
| Wattage | 50 watts |
| Material Type | Plastic |
| Included Components | Straps |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1.81 kg |

## Product Details

- **Brand:** MARS HYDRO
- **Colour:** Black
- **Electric fan design:** Exhaust Fan
- **Power source:** Corded Electric
- **Style:** Carbon Filter
- **Special feature:** Digital controller with temperature and humidity programming, speed control, timer and alarm system
- **Mounting type:** Clip-on/Clamp Mount
- **Material:** Plastic
- **Noise level:** 28 Decibels
- **Wattage:** 50 watts

## Images

![4 Inch Inline Fan and Filter with Temperature and Humidity Controller, Carbon Filter, 33ft Length Flex ducting, 3 Duct Clamps - Image 1](https://m.media-amazon.com/images/I/710a4lc94IL.jpg)

## Available Options

This product comes in different **Size Name** 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 and Filter, with Temperature and Humidity Controller, and 25 Feet Ducting, Exhaust Fan for Grow Tents, 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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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-20*