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Black and green indoor grow tent containing a hanging LED light, duct fan, filter, and green plants. Black VIVOSUN grow tent kit components including tent, LED light, controller, ventilation system, pots, netting, and tools. A grow tent with a green frame enclosing tomato plants in fabric pots, alongside promotional text for reflective mylar. Infographic showing tunable spectrum light panels with 3 graphs for seedling, vegetative, and flowering stages. Infographic detailing inline fan features: green blades, EC motor, dual ball bearings, and PWM tuning. Vivosun black and green grow tent containing potted green plants, an overhead grow light, and a ventilation system. Black inline fan, silver carbon filter, ducting, digital controller, hanging straps, and metal clamps on black. Green plant twist tie on a black plastic spool with a built-in metal cutter. Black grow tent with green trim, zipper doors, observation window, and ventilation ports on a black background. Pruning shears with straight stainless steel blades, black and green handles, and a center spring mechanism. Black square trellis netting with knotted intersecting cords and hanging hooks at the four corners. Two black mesh pre-filter covers with drawstrings, one shown attached to a ventilation duct.

Smart Grow Tent Kit 4x4, 4-Plant Complete System, with WiFi E42A+ Controller, 400W AeroLight Wing LED Grow Light, 6-inch AeroZesh G6 Ventilation Combo

Save $52.50
Vivosun
Price:
$839.99 $892.49
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Free Shipping Over $49

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Financing
Available Here

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Discreet Packaging

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Have a Question?
716-217-0353

Description

VIVOSUN Smart Grow Tent Kit 4x4 AeroLight Wing - Happy Hydro

A complete 4 by 4 grow room that
holds its own climate, seedling to harvest

This kit pairs a 4 ft by 4 ft tent with everything needed to fill it: a 400W AeroLight Wing LED, a 6-inch AeroZesh G6 inline exhaust fan with carbon filter and ducting, and the GrowHub E42A+ controller that ties them together over WiFi. The E42A+ reads temperature and humidity from a probe inside the tent and adjusts your light and fan to hold the VPD target you set. You mount the parts, connect the app, and the environment runs itself. Sized for four to eight plants.

WiFi app control Automatic VPD tuning Everything matched and included
Free shipping on orders over $49
30-day returns on all orders
Serving growers since 2006
Why upgrade
Piecing parts together vs. the 4x4 smart kit
Separate parts and timers
  • Buy tent, light, fan, filter, and timers and hope they match
  • Run light and fan on dumb timers that ignore the room
  • Read a hygrometer and adjust everything by hand
  • Redo settings when the seasons change temp and humidity
  • Guess at fan speed to manage heat and smell
  • No warning if conditions drift while you are away
4x4 smart kit
  • One matched kit sized for a 4 by 4 ft space, nothing to calculate
  • E42A+ adjusts light and fan to your VPD target on its own
  • A probe inside the tent reads real temperature and humidity
  • The app holds your targets year round and logs conditions
  • Fan ramps to manage heat while the carbon filter traps odor
  • Phone alerts when readings move outside your set range
What makes it different
A matched system, run by one smart controller

GrowHub E42A+ runs the whole tent WiFi + VPD

The controller links the light, exhaust fan, and up to 6 devices, reads a temp and humidity probe, and adjusts them to hold your target. Set it once in the app and it manages day and night on its own.

400W AeroLight Wing AW400, tunable spectrum

A dimmable full-spectrum bar light with a spectrum you can shift for veg or flower, delivering 839 PPFD at 12 in across the full 4 by 4. A circulation fan built into the light body moves air across the canopy.

6-inch AeroZesh G6 exhaust, EC motor

The inline fan (388 CFM), carbon filter, and ducting pull heat and odor out of the tent with an efficient EC motor. At around 45 dBA it moves serious air, and the E42A+ ramps it up or down based on conditions inside.

Monitor and adjust from your phone

The VIVOSUN app on iOS and Android shows live temperature, humidity, and VPD, lets you tune the light and fan, and sends alerts if anything drifts out of range.

Sealed, lightproof tent

Thick lightproof fabric, sturdy poles, and a reflective interior keep light on the plants and odor inside, with pre-cut ports for your ducting and cords.

Everything sized to work together

Tent, light, fan, filter, ducting, and controller arrive as one matched set, so there is nothing to spec out or return for the wrong size.

Specs
Numbers and details
Tent Size
48 x 48 x 80 in (4 x 4 ft)
Grow Light
400W AeroLight Wing AW400, tunable
Exhaust
6 in AeroZesh G6 inline, EC motor
Controller
GrowHub E42A+, WiFi 2.4G
Capacity
4 to 8 plants (3-gal pots)
App
iOS and Android, VPD automation

Set up once, then let it run

1

Assemble the tent

Snap the poles together and hang the crossbars. The frame holds the light, fan, and filter.

2

Mount light, fan, and filter

Hang the AeroLight Wing, attach the AeroZesh G6 fan and carbon filter, and run the ducting to your vent.

3

Plug into the E42A+ and connect

Plug the light and fan into the GrowHub E42A+, place the sensor probe inside the tent, and pair it with the app over WiFi.

4

Set a target and grow

Pick a VPD or temp and humidity target, and the controller runs the light and fan automatically the rest of the way.

In the box
Everything in the kit, and how to size it
Every kit includes
  • 4 x 4 ft grow tent (48 x 48 x 80 in)
  • 400W AeroLight Wing AW400 LED grow light
  • 6 in AeroZesh G6 inline fan
  • 6 in carbon filter and ducting
  • Accessory pack: 5x 5-gal grow bags, trellis net, pruning shears, ~328 ft twist tie, 2x vent covers, prefilter, duct clamps, ducting tape, and rope hangers
  • GrowHub E42A+ WiFi controller, sensor probe, hangers, and hardware
Is this the right size?
  • 4 to 5 plants: room to grow each one large
  • 6 to 8 plants: the full canopy this kit supports
  • Height: 80 in fits tall plants and trellis work
  • Pairs with: an AeroWave clip fan to keep air moving in the canopy
Not sure this size fits your space or plant count? Tell us your spot and your goals and we will confirm before you order. 716-217-0353 / help@happyhydro.com
Questions
Frequently asked questions
No. The E42A+ automates the light and fan to the target you set, and the app walks you through it. You handle watering and feeding while the kit manages the environment, so it is a friendly first tent as well as a capable upgrade.
The tent, light, fan, filter, ducting, and controller are all in the box and matched to the 4 by 4 space, along with an accessory pack that includes five 5-gallon grow bags, a trellis net, pruning shears, twist tie, vent covers, prefilter, clamps, and hangers. You supply the growing medium, nutrients, and plants.
The controller uses 2.4G WiFi and is set up through the VIVOSUN app on iOS or Android. It keeps running its last settings if WiFi drops, but the app is where you monitor readings and change targets.
The AeroZesh G6 uses an efficient EC motor, and the sealed carbon filter scrubs odor from the air before it leaves the tent. At around 45 dBA it is audible when it ramps up but manageable, and most growers run it comfortably in a spare room, office, or closet.
The 48 by 48 in floor and 80 in height suit four to eight plants in 3-gallon pots, plus herbs and starts. The 400W AeroLight Wing AW400 covers a full 4 by 4, so this kit is ready for a complete canopy out of the box.
This kit is built around the GrowHub E42A+, which actively adjusts your gear to a VPD target using a sensor probe. It reads temperature and humidity, tunes the light and fan automatically, and sends phone alerts if conditions drift. That is a real step up from running your gear on manual timers or basic on/off switches.
If you receive a defective or damaged unit, email us a photo at help@happyhydro.com and we'll take care of you. For change-of-mind returns, we accept returns within 30 days for most items in new, resalable condition. If you're not sure whether this product is right for your setup, call us first at 716-217-0353. We'd rather answer your questions before you order.
Happy Hydro has been selling growing equipment since 2006. We added VIVOSUN to our lineup because the systems work great and customers who buy them leave happy. Have questions before you order? Call 716-217-0353 or email help@happyhydro.com. We're easy to reach and happy to help!

Your Happy Hydro Shipping Experience

We ship fast from Buffalo, NY. Most orders land at your door in 3-5 business days. Free standard shipping on orders $49+, plain-box packaging, and real humans ready to help if anything goes sideways.

Free shipping on orders over $49
Plain-box discreet packaging
Serving growers since 2006
What to expect
When you order from Happy Hydro

Fast & Free on Orders $49+

Free standard shipping to the lower 48. Most orders ship same or next business day from our Buffalo, NY warehouse via UPS Ground or USPS Ground Advantage. Expedited options available at checkout.
* Soils may incur added fees for Western US delivery
* Some products ship direct from the vendor's warehouse to keep prices lower and get your order there faster

World-Class Customer Care

Our grower support team is here 10 am-4 pm EST, Monday-Friday. Call 716-217-0353 or email help@happyhydro.com.

Discreet & Secure Packaging

Every order ships in a plain brown box with no branding or logos. Your purchase stays 100% private. We can also ship to your local UPS Store on request.

Specs
Shipping details at a glance
Delivery time
3-5 business days
Default carrier
UPS Ground or USPS
Signature required
Orders over $500 only
Free shipping threshold
$49+ to the lower 48
International
Canada only Email help@happyhydro.com your address & a screenshot of your cart for a quote
Returns
30 days on most orders Exceptions apply — orders over $400, multi-box shipments, and some vendor items may incur return shipping charges. Full policy
Questions
Frequently asked questions
Shipping
Check the order confirmation sent to your email or phone after checkout — it includes a tracking link. If you use the Shop App, you can track your order there too.
Most orders arrive in 3-5 business days. Expedited options (2-day, overnight) are available at checkout if you need it sooner.
Signature is only required on orders over $500. For added privacy, we can ship to your local UPS Store so you pick it up on your own schedule — just ask.
We default to UPS Ground or USPS Ground Advantage. Select an expedited option at checkout and we'll use the appropriate carrier for that service.
  • P.O. boxes: Yes, for small and lightweight items.
  • International: Canada only. Email help@happyhydro.com your address and a screenshot of your cart for a shipping quote.
  • APO/FPO: Not currently available.
For Canadian orders, import duties and taxes are the buyer's responsibility. You'll complete payment using your tracking number at UPS.com when your package arrives.
Title and risk of loss pass to you once we hand off to the carrier, but that doesn't mean we leave you hanging. Email help@happyhydro.com and we'll work overtime to track it down and make it right.
Payment
We accept credit/debit cards, PayPal, Coinbase, and Happy Hydro gift cards. Your card is charged immediately at checkout.
Double-check your billing address and card number. For larger purchases, your bank may have flagged it — a quick call to authorize the transaction usually sorts it out.
Promotions
Enter your code in the "Promo code" box at checkout and click Apply. One code per order, but you can combine a gift card with a promo code if you have both.
Subscribe to our mailing list for exclusive discounts and early access to sales. You can sign up at the bottom of any page on our site.
Returns & Cancellations
Email help@happyhydro.com within 30 days of delivery and we'll get you a refund or replacement, your choice. Items must be in original packaging with all parts in resalable condition. Multi-light orders, grow tents, orders over $500, and multi-box shipments may incur return shipping charges. AK, HI, and international buyers are responsible for return and warranty shipping. Some vendor-specific policies may apply — check the product page for details.
Refunds are processed through Shopify within 10 business days. Most customers see the credit back in about 5 days.
Reply to your order confirmation email or email help@happyhydro.com as soon as possible. Canceled orders may incur a processing fee depending on your payment method:
  • Credit/debit card: 2.9%
  • PayPal or Venmo: 3.5%
  • International PayPal: 4.0%
  • American Express: 4.1%
  • Shop Pay Installments / PayTomorrow: 6.5%
Support & Policies
Call or chat with our grower support team at 716-217-0353, Monday-Friday 10 am-4 pm EST. You can also email help@happyhydro.com any time and we'll get back to you quickly.
Your privacy matters to us. Read our full policy at happyhydro.com/pages/privacy-policy.
Why Happy Hydro

Why Buy From Happy Hydro

Happy Hydro began as a pipe dream in a garage and has grown into something built almost entirely on word of mouth and repeat customers. Rather than focusing on raising margins and obsessing over profits, we've always believed that the right combination of competitive prices, superior products, and world-class customer service speaks for itself. Our philosophy will never change: when you're happy, we're happy.

Our commitment
What you can expect from Happy Hydro

Real People, Real Growers

Our grower support team isn't a call center. They know the products because they're passionate about growing. Reach us Monday-Friday, 10 am-4 pm EST at 716-217-0353 or help@happyhydro.com, before you order or after.

Hand-Picked by Growers, for Growers

Every brand we carry was chosen by our founders because it performs. We only stock premium brands we believe in, and every item is inspected before it leaves our warehouse.

Fair Prices and Free Shipping

We work hard to keep our prices as low as manufacturers allow, and we include free shipping on orders over $49 so there are no surprises at checkout. Find a lower price anywhere and we'll match it.

Authorized for Every Brand We Carry

We're an authorized dealer for every manufacturer on our site. That means you get the full manufacturer's warranty on every purchase. No grey market, no expired stock.

30-Day Returns on Most Orders

Hard to commit to a product you haven't tried. Return most items within 30 days in original condition and we'll take care of it. Read the full policy.

Secure Shopping, Private Data

Every transaction is SSL encrypted. We don't store payment information and we will never sell your data to anyone, ever.

Volume and Commercial Pricing

If you're a commercial grower or putting together a large order, reach out before you buy. We have pricing available that we can't advertise publicly. Call 716-217-0353 or email help@happyhydro.com and we'll take care of you.

Questions? We're easy to reach.
Happy Hydro has been serving growers since 2006. Call or email our grower support team Monday-Friday, 10 am-4 pm EST, or email us anytime.

716-217-0353 help@happyhydro.com

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