---
product_id: 36751912
title: "VIVOSUN R4 4\" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer"
brand: "vivosun"
price: "SAR 394"
currency: SAR
in_stock: true
category: "Vivosun"
url: https://www.desertcart.com.sa/products/36751912-vivosun-r4-4-inline-duct-ventilation-fan-and-speed-controller
store_origin: SA
region: Saudi Arabia
---

# 190 CFM airflow <30 dB ultra-quiet 2300 RPM adjustable speed VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer

**Brand:** vivosun
**Price:** SAR 394
**Availability:** ✅ In Stock

## Summary

> 💨 Elevate your air game—quiet, powerful, and tailored for your space!

## Quick Answers

- **What is this?** VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer by vivosun
- **How much does it cost?** SAR 394 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/36751912-vivosun-r4-4-inline-duct-ventilation-fan-and-speed-controller)

## Best For

- vivosun enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Indoor Use:** From grow rooms to 3D printing workshops, bathrooms to basements, this fan adapts to all your ventilation needs.
- • **Compact & Easy Install:** Lightweight design with mounting bracket fits tight spaces—perfect for modern urban setups and grow tents alike.
- • **Stepless Speed Control:** Customize airflow effortlessly with a smooth dial, giving you precise control over your environment.
- • **Whisper-Quiet Operation:** Less than 30 dB noise means your productivity or relaxation stays uninterrupted—silence is the new luxury.
- • **Powerful 190 CFM Airflow:** Turbocharge your space with industrial-grade ventilation that keeps air fresh and circulation optimal.

## Overview

The VIVOSUN R4 4" Inline Duct Ventilation Fan delivers a robust 190 CFM airflow powered by a 2300 RPM brushless motor, all while maintaining a whisper-quiet noise level under 30 dB. Its stepless speed controller offers precise airflow customization, housed in a durable, lightweight plastic frame designed for easy installation in tight indoor spaces. Ideal for HVAC, grow tents, basements, bathrooms, kitchens, attics, and 3D printing workshops, this fan ensures efficient, versatile ventilation with minimal disruption.

## Description

desertcart.com: VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer : Patio, Lawn & Garden

## Features

- Durable & Energy-Efficient Ventilation: Constructed from reinforced plastic housing for long-lasting reliability; This powerful blower with a fan speed of 2300 RPM can create an air flow of 190 CFM; It combines the features and benefits of axial and centrifugal fan, effectively circulating air
- Low Noise Level: The durable fan blades revolve smoothly and powerfully, which helps collect airflow volume and cut noise output; A less than 30 dB noise level will not disturb your work
- Adjustable Speed: A stepless speed controller on the power cord enables the fan to run at different speeds; With this speed switch, you can adjust it to the desired airflow level
- Easy Installation: This duct fan is compact and lightweight so it can be installed in small areas; Comes with an installation bracket indicating the direction of the airflow; Removable duct ends with locking tabs
- Versatile Applications: Suitable for industrial, household and horticulture ventilation applications; It can quietly and efficiently moving large volumes of air throughout your ventilation system
- Suitable for indoors: VIVOSUN fan is the ideal solution for your indoor grow room (grow tent air circulation), bathroom moisture removal, basement mold prevention, and 3D printing workshop heat & dust management

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01DXYMGOM |
| Air Flow Capacity | 190 Cubic Feet Per Minute |
| Best Sellers Rank | #18,887 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #23 in Greenhouse Ventilation Equipment |
| Blade Length | 4 Inches |
| Blade Material | Plastic |
| Brand | VIVOSUN |
| Brand Name | VIVOSUN |
| Collection Name | Ventilation_Fans |
| Color | 4" Fan |
| Control Method | App |
| Controller Type | Button Control |
| Customer Reviews | 4.4 out of 5 stars 10,916 Reviews |
| Electric Fan Design | Blower |
| Electric fan design | Blower |
| Finish Type | Powder Coated |
| Included Components | Cord |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Mounted |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 7.66"D x 11.16"W x 7.82"H |
| Item Weight | 4.7 Pounds |
| Manufacturer | VIVOSUN |
| Material | Plastic |
| Model Name | 306201P-4 |
| Model Number | 306201P-4 |
| Motor Type | Brushless |
| Mounting Type | Tabletop Mount |
| Noise Level | 30 Decibels |
| Number of Blades | 10 |
| Part Number | 1 |
| Power Source | Electric |
| Product Dimensions | 7.66"D x 11.16"W x 7.82"H |
| Recommended Uses For Product | VERSATILE APPLICATIONS: Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control. |
| Size | 4" Basic |
| Special Features | Lightweight |
| Speed | 2300 RPM |
| Style | Basic |
| UPC | 714119464157 |
| Voltage | 110 Volts |
| Warranty Description | Manufacturer Warranty for 90 days from date of purchase. |
| Wattage | 59 watts |

## Product Details

- **Brand:** VIVOSUN
- **Color:** 4" Fan
- **Controller Type:** Button Control
- **Electric fan design:** Blower
- **Mounting Type:** Tabletop Mount
- **Power Source:** Electric
- **Product Dimensions:** 7.66"D x 11.16"W x 7.82"H
- **Special Feature:** Lightweight
- **Style:** Basic

## Images

![VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer - Image 1](https://m.media-amazon.com/images/I/61w9EzO2VfL.jpg)
![VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer - Image 2](https://m.media-amazon.com/images/I/81DevkhU3JL.jpg)
![VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer - Image 3](https://m.media-amazon.com/images/I/71b5iOtfs-L.jpg)
![VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer - Image 4](https://m.media-amazon.com/images/I/61xDfr57DUL.jpg)
![VIVOSUN R4 4" Inline Duct Ventilation Fan & Speed Controller, Workshop 190 CFM Fan for HVAC, Vent Booster Fan for Grow Tents, Basements, Bathrooms, Kitchens, Attics and 3D Printer - Image 5](https://m.media-amazon.com/images/I/71WnyRC3VoL.jpg)

## Available Options

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

## Questions & Answers

**Q: Will this work with a speed controller?**
A: This fan alreadly has a stepless speed controller on the power cord enables the fan to run at different speeds.

**Q: Which size tent work with this fan?**
A: For 4 Inch fan, we recommend the 48"x 24"x60"/36"x 36"x72" tents.

## Frequently Bought Together

- VIVOSUN R4 4 Inch 190 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent
- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust
- POWERTEC 70145 4-Inch to 3-Inch Reducer

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**Shop now:** [https://www.desertcart.com.sa/products/36751912-vivosun-r4-4-inline-duct-ventilation-fan-and-speed-controller](https://www.desertcart.com.sa/products/36751912-vivosun-r4-4-inline-duct-ventilation-fan-and-speed-controller)

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*Product available on Desertcart Saudi Arabia*
*Store origin: SA*
*Last updated: 2026-07-21*