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Midwest Grow Kits Fresh Air Amplifier Kit with fan, speed controller, and filters for indoor greenhouses.
Extra 10% Off

Midwest Grow Kits Fresh Air Amplifier Fan Unit For Ecosphere Greenhouse Systems

Price:
$44.99 USD
Or
Pay as little as
$4499/mo
for a term that suits you, up to 36 months. Learn More
⚡ HOLIDAY OFFER! 10% off this item Ends: January 5th
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Midwest Grow Kits Fresh Air Amplifier Fan Unit For Ecosphere Greenhouse Systems

Are your gourmet mushrooms stalling out, failing to reach their full potential despite perfect humidity and temperature? The problem often isn't your technique—it's a lack of fresh air. The Midwest Grow Kits Fresh Air Amplifier is the definitive upgrade for your Mushroom Ecosphere 3.0, engineered to solve oxygen starvation and unlock massive yields.

While the standard filter disks on your tent are adequate for many species, gourmet varieties like Lion's Mane and Oyster mushrooms are oxygen-hungry. They require active, consistent air exchange that passive filters simply can't provide. This purpose-built unit uses a powerful fan to actively draw fresh, oxygen-rich air into your greenhouse, allowing your mushrooms to breathe, grow larger, and develop faster.

Featuring a high-power 4" brushless motor, this fan can completely refresh the air inside your Ecosphere in just minutes. With the adjustable speed dial, you can fine-tune the airflow to meet the precise needs of your specific mushroom variety. The entire system is designed for seamless integration, making it an essential tool for any serious cultivator looking to maximize their harvest. It's one of the most impactful upgrades you can find among our mushroom growing supplies.

What's Included

  • 4" High-Power Fan Unit with Brushless Motor
  • 6" x 4" Reusable & Washable Filter Vent
  • Adjustable Speed Controller & 110V Power Supply
  • 20" Pre-installed Double-Sided Adhesive
  • Comprehensive Instructions

Features

💨
High-Performance Fan

A powerful 4-inch brushless motor completely refreshes your Ecosphere's air in minutes.

🎛️
Precise Airflow Control

The adjustable speed dial lets you customize airflow for different mushroom varieties and growth stages.

♻️
Reusable Filter System

The 6"x4" washable filter vent prevents contaminants while ensuring consistent, clean airflow.

🔧
Effortless Installation

Pre-installed double-sided adhesive and clear instructions ensure a quick and secure setup.

Specifications

Specification Value
Fan Size 4 inches
Filter Size 6" × 4"
Motor Type Brushless
Power Supply 110V
Speed Control Adjustable dial
Adhesive Length 20 inches (pre-installed)
Filter Type Reusable and washable
Timer Compatibility Works with any standard household timer

FAQs

Why do I need this fan if my Ecosphere already has filter disks?+

The standard filter disks provide passive air exchange, which is sufficient for some mushroom species. However, gourmet varieties with high oxygen demands require active circulation. This fan unit actively pulls fresh air into the tent, preventing CO2 buildup and ensuring your mushrooms have the oxygen they need to grow large and healthy. It's a critical upgrade for maximizing yields in an enclosed system like the Mushroom Ecosphere.

Which mushroom varieties benefit most from this fan?+

This fan is essential for any oxygen-demanding gourmet mushrooms. You will see a significant improvement in size and growth speed for varieties such as Oyster, Lion's Mane, King Trumpet, and Shiitake. If you are using advanced mushroom grow kits, this fan is a highly recommended accessory.

How often should I run the fan?+

The ideal schedule depends on your specific mushroom variety and the ambient air quality. A common practice is to connect the fan to a household timer and run it for 15-30 minutes every 2-4 hours. You can adjust the frequency and duration based on your mushrooms' development. The adjustable speed dial also allows you to control the intensity of the air exchange.

Where is the best place to install the fan on the tent?+

You have two main options: 1) Install it near the top of the tent to draw fresh air in, pushing the heavier CO2 down and out through passive filters. 2) Install it near the bottom to actively extract CO2, which naturally sinks. Both methods are effective, and the filter will capture any potential contaminants regardless of placement.

How do I clean and maintain the filter?+

Maintenance is simple. When the filter appears dirty, gently remove it and hand wash it under cool running water. Do not use soap. Allow the filter to air dry completely before reinstalling it. If the adhesive ever weakens, it can be reinforced with standard double-sided fabric tape.

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

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