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AC Infinity inline fan with smart controller, charcoal filter, flexible ducting, and two metal clamps.
AC Infinity Cloudline Pro 4 air filtration kit system: fan, Controller 69 PRO, carbon filter, ducting, dimensions.
Smart controls infographic: Digital thermostat, phone app with climate charts, and features like remote access and automation programming.
AC Infinity carbon filter with "HIGH QUALITY BUILD" text and feature callouts: Reversible Aluminum Flange, Premium 1200+ Grade Australian Virgin Charcoal, Pre-Filter, High Airflow Outer Mesh, High Airflow Inner Mesh.
AC Infinity Ecosystem: smart controller, grow lights, circulation fan, inline exhaust fan, lighting adapter, control plug.
3-piece air filtration system: red intake fan, blue carbon filter, metal mesh.
AC Infinity inline fan with quiet PWM motor and airflow visualization.
AC Infinity inline fan and smart controller with filter kit, basil plants growing below.
AC Infinity inline fan with smart controller, charcoal filter, flexible ducting, and two metal clamps.
AC Infinity Cloudline Pro 4 air filtration kit system: fan, Controller 69 PRO, carbon filter, ducting, dimensions.
Smart controls infographic: Digital thermostat, phone app with climate charts, and features like remote access and automation programming.
AC Infinity carbon filter with
AC Infinity Ecosystem: smart controller, grow lights, circulation fan, inline exhaust fan, lighting adapter, control plug.
3-piece air filtration system: red intake fan, blue carbon filter, metal mesh.
AC Infinity inline fan with quiet PWM motor and airflow visualization.
AC Infinity inline fan and smart controller with filter kit, basil plants growing below.
Extra 5% Off

AC Infinity 4" Pro Air Filtration Kit System

Sale Price:
$259.00 USD $239.00 USD$259.00 USD
Or
Pay as little as
$23900/mo
for a term that suits you, up to 36 months. Learn More
⚡ EXCLUSIVE OFFER! 5% off this item
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MODEL: AC-FKT4
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AC Infinity 4" Pro Air Filtration Kit System

Struggling to manage heat, humidity, and odors in your grow space? The AC Infinity 4" Pro Air Filtration Kit is your all-in-one solution for creating the perfect environment. This complete system combines a powerful inline fan, a smart controller, and a high-performance carbon filter to automate your climate control and completely neutralize unwanted smells. Engineered for quiet efficiency, it provides total peace of mind, allowing you to focus on what matters most—healthy, thriving plants.

The heart of this kit is the CLOUDLINE T4 inline fan, paired with the intelligent Controller 69. This allows you to set dynamic programs that automatically adjust fan speed in response to changing temperatures and humidity. The included 4" carbon filter utilizes premium Australian charcoal to scrub odors from the air, while the durable, four-layer ducting ensures a secure, leak-proof setup. It's the professional-grade ventilation system every serious grower needs from the trusted AC Infinity lineup.

What's Included

  • CLOUDLINE T4 Inline Duct Fan
  • Controller 69
  • 4” Premium Carbon Filter
  • 4” Flexible Four-Layer Ducting (25-foot)
  • Duct Clamps (x2)
  • Hanger Straps (x2)
  • Leather Sheath for Controller
  • Mounting Hardware

Features

AC Infinity 4" Pro Air Filtration Kit System Australian carbon filter
AC Infinity 4" Pro Air Filtration Kit System durable four-layer ducting
AC Infinity 4" Pro Air Filtration Kit System easy installation components
🧠
Smart Automation

Controller 69 adjusts fan speed based on temperature and humidity for hands-free climate control.

🌬️
Premium Odor Control

Features 1200+ IAV Australian charcoal to effectively absorb and neutralize the strongest odors.

🤫
Quiet & Powerful

The EC motor delivers 205 CFM of airflow at a whisper-quiet 29 dBA, ensuring minimal noise.

💪
Built to Last

Four-layer, tear-resistant ducting and dual ball bearings provide long-term, reliable performance.

📦
Complete System

Includes everything you need for a quick and easy installation, from fan to filter to ducting.

⚡
Energy Efficient

Consumes only 25W at max speed, reducing operational costs without sacrificing power.

Specifications

Specification Value
Duct Size 4"
Total Airflow 205 CFM
Total Noise 29 dBA
Max Speed 2800 RPM
Static Pressure 324 Pa
Voltage 100-240V AC
Frequency 50/60Hz
Max Power Draw 25 W
Average Power Usage 18 W
Ingress Protection IP 44
Fan Bearings Dual Ball
L10 Life Expectancy 67,000 Hours
Carbon Type Australian Virgin RC412
Carbon Grade 1200+ IAV
Carbon Thickness 38mm
Ducting Length 25 ft
Fan Dimensions 7.48 x 11.89 x 6.93 in.
Carbon Filter Dimensions 13.35 x 6.97 in.
Controller Dimensions 5.19 x 2.91 x 1.06 in.

Warranty

This AC Infinity product comes with a two-year warranty. Please note this does not cover non-durable goods or consumables. All sales are final.

FAQs

What size grow tent is this 4" kit suitable for?+

This 4" kit is ideal for smaller grow tents, typically up to a 3' x 3' tent. It ensures sufficient air exchange to maintain an optimal environment for your plants.

How does the Controller 69 automate my ventilation?+

The Controller 69 includes a sensor probe to monitor temperature and humidity. You can set target levels, and the controller will automatically adjust the fan's speed to maintain your desired climate, ramp up during lights on, or turn off when not needed.

How often should I replace the carbon filter?+

For optimal performance, we recommend replacing the carbon filter every 12-18 months, depending on usage and the level of odors. The filter flange is reversible to extend its lifespan.

Can I use this kit for air intake instead of exhaust?+

Yes, absolutely. The entire system is versatile and can be configured to pull fresh air into your grow space or exhaust stale, hot air out, depending on your specific ventilation needs.

Is the fan noisy?+

No, the CLOUDLINE fan is engineered for quiet operation. It uses an energy-efficient EC motor mounted with dual ball bearings, producing only 29 dBA at full speed, which is comparable to a soft whisper.

How do I get the best results with this kit?+

Proper installation is key. Ensure all connections are airtight using the included clamps. For a comprehensive overview and tips, check out our in-depth guide on AC Infinity kits to maximize your setup's efficiency.

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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