---
product_id: 399205630
title: "TURBRO AirSupply ES4, 4 Inch Inline Duct Fan with Solid Metal Case, 195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and Ventilation, blue"
brand: "turbro"
price: "1512.20 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Turbro"
url: https://www.desertcart.tn/products/399205630-turbro-airsupply-es4-4-inch-inline-duct-fan-with-solid
store_origin: TN
region: Tunisia
---

# 18W energy efficient 195 CFM airflow ≤37 dB whisper-quiet TURBRO AirSupply ES4, 4 Inch Inline Duct Fan with Solid Metal Case, 195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and Ventilation, blue

**Brand:** turbro
**Price:** 1512.20 DT
**Availability:** ✅ In Stock

## Summary

> 💨 Turbocharge your airflow with silent, energy-smart power!

## Quick Answers

- **What is this?** TURBRO AirSupply ES4, 4 Inch Inline Duct Fan with Solid Metal Case, 195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and Ventilation, blue by turbro
- **How much does it cost?** 1512.20 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/399205630-turbro-airsupply-es4-4-inch-inline-duct-fan-with-solid)

## Best For

- turbro enthusiasts

## Why This Product

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

## Key Features

- • **Whisper-Quiet Control:** Variable speed from 0-100% lets you dial in airflow without the noise.
- • **Powerful Yet Energy-Smart:** Delivers 195 CFM airflow at just 18 watts—breathe easy and save energy.
- • **Versatile Ventilation Solution:** Perfect for grow tents, bathrooms, server rooms, and industrial spaces—stay ahead of stale air.
- • **Built to Last in Any Environment:** Durable airtight steel case with IP44 waterproof rating for harsh conditions.
- • **Effortless Installation & Maintenance:** Comes with mounting kit and permanently lubricated bearings for hassle-free use.

## Overview

The TURBRO AirSupply ES4 is a 4-inch inline duct fan engineered for high-performance ventilation with 195 CFM airflow at 5000 RPM, consuming only 18 watts thanks to its brushless DC motor. It features whisper-quiet operation at ≤37 dB with a variable speed controller for precise airflow management. Built with a solid metal airtight case and IP44 waterproof protection, it’s designed for durability in demanding environments. Easy to install with included hardware and low maintenance due to permanently lubricated bearings, this fan is ideal for grow tents, bathrooms, server rooms, and industrial workshops.

## Description

Features:√ Energy Efficient - Consumes up to 60% less power√ Compact Design - Yet Powerful Ventilation with 195 CFM air flow at 5,000 RPM √ Brushless DC Motor - Quiet Operation, Lasts 3x longer than AC motors√ Variable Speed Controller - 0 to 100% speed control in 1% increments √ Multiple Mounting Options - Hardware kit included for wall mountingPackage Includes:1× 4'' Duct Fan (with a 6 ft. power cable and 3-prong plug)1× Speed Controller (with 16-ft cable)1× Installation Kit (Includes screws and anchors)Specifications:Model: ES4Duct Size: 4 InchesAir Flow: 195 CFMRated Speed: 5,000 RPMMaximum Pressure: 335 PaNoise Level: ≤ 37 dBSpeed Controller: Potentiometer 0-100%Environment Requirements: 15-140 °F, 15-93% RHWater Proof: IP44Certification: ETL ListedPower Supply: 120V, 60HzRated Power: 18 WCurrent: 0.16 AExternal Material: Aluminum AlloyWeight: 2.7 lbsDimension: 6.26 x 7.24 x 5.91 in

Review: Failed after 5 months - Seller has a 2 year warranty , poof seller is gone from desertcart, so is the warranty. desertcart sorry you are out of luck.
Review: Works well, does what it's supposed to. - I bought my unit for ventilating a basement. After about 2 months of continuous use, it stopped working for seemingly no reason. It was past desertcart's return period, so I contacted Turbro's support. They sent me a new unit the very next day! I'm back up and running no problem. this thing can move a TON of air. And while it's not super quiet at the max speed, it's very reasonable. I keep it at a relatively slow speed, so it's pretty dang quiet for me. As long as this replacement unit holds up, I'll keep this as a 5 star review. If the new one dies like the old one did, I will likely update it.

## Features

- multiple applications: designed for increased air circulation and moisture/odor removal in grow tents, greenhouses, bathrooms, server rooms, a/v equipment, or industrial workshops.
- outstanding ventilation: the es4 delivers an airflow of 195 cfm at 5000 rpm with only 18 watts of power. our brushless dc motor performs 30% more efficiently with 60% less power consumption than ac motors.
- quiet operation: whisper-quiet operation is possible thanks to the variable speed controller. adjust from 0-100% fan speed to without any increase in humming or buzzing sounds.
- durable construction: engineered with an airtight steel case and ip44 waterproof protection in a compact design, the es4 will stay running in harsh environments, big or small.
- easy to use: the duct fan and controller can be mounted with no additional assembly. the permanently-lubricated bearing reduces wear and tear to cut down on maintenance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0894RP1Y2 |
| Air Flow Capacity | 195 Cubic Feet Per Minute |
| Best Sellers Rank | #1,397,359 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,702 in Exhaust Fans |
| Blade Length | 4 Inches |
| Blade Material | Plastic |
| Brand | TURBRO |
| Brand Name | TURBRO |
| Collection Name | Inline Duct Fans |
| Colour | Blue |
| Control Method | App |
| Controller Type | Button Control |
| Customer Reviews | 4.5 out of 5 stars 161 Reviews |
| Electric Fan Design | Exhaust Fan |
| Electric fan design | Exhaust Fan |
| Finish Type | Metallic |
| Global Trade Identification Number | 00816621022709 |
| Included Components | Cord |
| Indoor Outdoor Usage | Indoor |
| Installation Type | wall-mounted |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 15.9D x 18.4W x 15H Centimeters |
| Item Type Name | 195 CFM Energy Efficient Exhaust Fan with Variable Speed Controlled EC Motor for Grow Tents, Hydroponics, Industrial and Residential Ventilation |
| Item Weight | 1.23 kg |
| Main Power Connector Type | Standard North American 3-prong plug (Type B) or Standard North American 2-prong plug (Type A) |
| Manufacturer | TURBRO |
| Material Type | Alloy Steel |
| Model Name | AirSupply ES4 4 Inch Inline Duct Fan |
| Model Number | ES4 |
| Motor Type | brushless DC motor |
| Mounting Type | Window Mount |
| Noise Level | 37 Decibels |
| Number Of Speeds | 101 |
| Number of Blades | 7 |
| Number of Power Levels | 101 |
| Part Number | ES4 |
| Power Source | Electric |
| Power Source Type | Electric |
| Product Dimensions | 15.9D x 18.4W x 15H Centimeters |
| Recommended Uses For Product | Air Circulation |
| Room Type | Bathroom |
| Size | 4 Inch (195 CFM, 18 W) |
| Special Features | Controlled |
| Speed | 5000 RPM |
| Standby Power Shutoff | Energy Efficient |
| Style | Industrial |
| Style Name | Industrial |
| Switch Type | Push Button |
| UPC | 816621022709 |
| Unit Count | 1.0 Count |
| Voltage | 120 Volts |
| Wattage | 18 Watts |

## Product Details

- **Brand:** TURBRO
- **Colour:** Blue
- **Electric fan design:** Exhaust Fan
- **Power Source:** Electric
- **Style:** Industrial
- **Product Dimensions:** 15.9D x 18.4W x 15H Centimeters
- **Room Type:** Bathroom
- **Special Feature:** Controlled
- **Recommended Uses For Product:** Air Circulation
- **Noise Level:** 37 Decibels

## Images

![TURBRO AirSupply ES4, 4 Inch Inline Duct Fan with Solid Metal Case, 195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and Ventilation, blue - Image 1](https://m.media-amazon.com/images/I/61PF3oK6dEL.jpg)

## Questions & Answers

**Q: How far can the air be pushed  from one room to another**
A: It’s 195 CFM. depends on the duct work.   Go bigger and get the speed control. It’s a good quality fan.

**Q: How far for the fan unit can the speed control be mounted?**
A: Hi thank you for your inquiry. This speed control comes with a 16 ft cable, and it could be mounted away from the fan not more than 16 ft.  
Should you have any further question, please kindly contact us by support@turbro.com.

**Q: Can this dc power motor be adapted to be driven from a dc power source?**
A: This unit operates at 110vac input.  What DC voltage did you have in mind. I think that this motor operates at a higher voltage that would not make DC practical.

**Q: Is the fan reversible?**
A: No. The unit is single direction.

## Customer Reviews

### ⭐ Failed after 5 months
*by A***R on 18 July 2024*

Seller has a 2 year warranty , poof seller is gone from amazon, so is the warranty. Amazon sorry you are out of luck.

### ⭐⭐⭐⭐⭐ Works well, does what it's supposed to.
*by I***I on 16 June 2022*

I bought my unit for ventilating a basement. After about 2 months of continuous use, it stopped working for seemingly no reason. It was past amazon's return period, so I contacted Turbro's support. They sent me a new unit the very next day! I'm back up and running no problem. this thing can move a TON of air. And while it's not super quiet at the max speed, it's very reasonable. I keep it at a relatively slow speed, so it's pretty dang quiet for me. As long as this replacement unit holds up, I'll keep this as a 5 star review. If the new one dies like the old one did, I will likely update it.

### ⭐⭐⭐⭐⭐ Quality fan
*by T***C on 11 May 2026*

Fantastic fan. Moves a lot of air. The speed adjustment works smoothly. I've had one running continuously for over two years and it's still going strong. Nice and quiet too.

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**Shop now:** [https://www.desertcart.tn/products/399205630-turbro-airsupply-es4-4-inch-inline-duct-fan-with-solid](https://www.desertcart.tn/products/399205630-turbro-airsupply-es4-4-inch-inline-duct-fan-with-solid)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-01*