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AeroZesh T4 4-inch inline fan & GrowHub E42A controller with detailed specifications, dimensions & cable lengths.

Vivosun AeroZesh T4 Inline Fan w/ E42A WiFi Controller - 4" Duct

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MODEL: WEB-AZ-0004-E42A

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Vivosun AeroZesh T4 Inline Fan w/ E42A WiFi Controller - 4" Duct

Tired of constantly adjusting fans and guessing at the perfect climate for your grow space? The VIVOSUN AeroZesh T4 with E42A WiFi Controller replaces manual effort with scientific precision. This advanced 4-inch inline fan system delivers a fully automated, app-controlled environment, ensuring your plants thrive in optimal conditions from seed to harvest.

Designed for growers who demand intelligent control, the AeroZesh T4 features a powerful PWM-controlled motor that moves 210 CFM of air while operating at a whisper-quiet 39 dB. The heart of the system is the E42A WiFi Controller, which connects to the GrowHub App for complete remote access. Monitor temperature, humidity, and VPD in real-time, and create automated grow recipes that adjust the climate through each growth stage. It's the perfect smart ventilation solution for a VIVOSUN Smart Grow Tent Kit, integrating seamlessly with other GrowHub devices to create a unified, responsive ecosystem.

Features

VIVOSUN AeroZesh T4 Inline Fan w/ E42A WiFi Controller intelligent ventilation system

VIVOSUN AeroZesh T4 Inline Fan w/ E42A WiFi Controller intelligent control panel

VIVOSUN AeroZesh T4 Inline Fan w/ E42A WiFi Controller GrowHub app interface

VIVOSUN AeroZesh T4 Inline Fan w/ E42A WiFi Controller unified smart device ecosystem

📶

Total WiFi Control

Manage your grow environment from anywhere using the intuitive GrowHub App.

🌡️

Precise VPD Monitoring

Built-in sensors track temp, humidity, and VPD for optimal plant health.

🤖

Automated Grow Recipes

Program custom climate schedules that adapt to each stage of plant growth.

🔗

Unified Smart Ecosystem

Integrate and control all your VIVOSUN GrowHub devices from a single app.

Specifications

Specification	Value
Model	AeroZesh T4 w/E42A
Size	4 Inch
Airflow	210 CFM
Fan Speed	3000 RPM
Noise Level	<39 dB
Power Consumption	20 W
Material	Steel
Controller Type	GrowHub E42A WiFi Controller
Motor Type	PWM-Controlled EC Motor
Fan Design	Mixed-Flow High Static Pressure
Environmental Monitoring	Built-in Temp/Humidity Sensors + VPD
Connectivity	WiFi + GrowHub App
Automation Features	Automated Grow Recipes

Compare VIVOSUN 4" Inline Fans

Feature	AeroZesh T4 w/ E12 Controller	AeroZesh G4 w/ E42A Controller	R4 Inline Fan
Airflow	210 CFM	205 CFM	195 CFM
Controller	E12 Speed Controller	E42A WiFi Controller	Variable Speed Controller
Smart Features	Programmable Speed	WiFi, App Control, VPD, Automation	Manual Speed Control
Motor Type	EC Motor	EC Motor	AC Motor
Noise Level	<39 dB	29 dB	30 dB

Warranty

This product is covered by VIVOSUN's manufacturer warranty. For complete details, please register your product or contact VIVOSUN support directly. We are happy to assist with any warranty claims and questions.

FAQs

What makes the AeroZesh T4 with E42A a premium smart ventilation solution?+

It combines high-performance 210 CFM airflow with comprehensive smart features. With WiFi connectivity, built-in environmental sensors, VPD monitoring, and automated grow recipes, it creates a scientifically managed environment you can control from anywhere via the GrowHub App.

How does VPD monitoring improve growing conditions?+

Vapor Pressure Deficit (VPD) is a key metric for plant health. The E42A controller automatically adjusts fan speed to maintain the ideal VPD, optimizing transpiration and nutrient uptake for faster, healthier growth. You can learn more by checking out our guide to grow room climate control.

Can I control the AeroZesh T4 remotely?+

Yes. The E42A controller is WiFi-enabled and connects to the GrowHub App, giving you complete remote control. You can monitor data, adjust fan speeds, modify grow recipes, and receive alerts directly on your smartphone or tablet, no matter where you are.

What are automated grow recipes?+

These are programmable schedules that automatically adjust ventilation based on your plant's stage of growth. The system can change fan speed and airflow to maintain the perfect temperature and humidity, removing the guesswork and ensuring consistent, optimal conditions.

How does this fan integrate with other smart devices?+

The E42A controller acts as a central hub, allowing you to unify all your GrowHub smart devices into one system. Control your lights, like the AeroLight A100, fans, and humidifiers through a single app for perfectly synchronized automation.

What environmental data does the AeroZesh T4 monitor?+

The E42A controller's built-in sensors monitor temperature and humidity in real-time. It also calculates the Vapor Pressure Deficit (VPD). This data is displayed in the GrowHub App, helping you track trends and maintain the perfect environment.

Is this system suitable for commercial growing operations?+

Absolutely. The powerful 210 CFM capacity, durable steel construction, and professional-grade automation make it ideal for serious commercial operations. The ability to manage multiple devices via the GrowHub platform provides scalable, centralized environmental control.

What's the difference between the E42A and the E12 version?+

The E42A model reviewed here is the fully smart version with WiFi, app control, built-in sensors, VPD monitoring, and automated recipes. The AeroZesh T4 with E12 is a simpler model that offers programmable speed control but lacks the advanced remote automation and monitoring capabilities.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

Most orders are processed within 24-48 hours after being placed.

Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

Vivosun AeroZesh T4 Inline Fan w/ E42A WiFi Controller - 4" Duct