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AC Infinity Cloudline S4 inline fan system with controller.
AC Infinity Cloudline S4 inline fan dimensions, specifications, and cord lengths.
AC Infinity fan speed controller with 8 speeds, PWM, memory, and mounting screws.
AC Infinity Cloudline S4 inline fan system with red ducting and carbon filter.
AC Infinity Ecosystem with controller, fan, lights, and control plug.
AC Infinity Cloudline S4 inline fan with PWM EC motor, quiet and energy efficient.
AC Infinity inline fan system with plants and controller.
AC Infinity Cloudline S4 inline fan system with controller.
AC Infinity Cloudline S4 inline fan dimensions, specifications, and cord lengths.
AC Infinity fan speed controller with 8 speeds, PWM, memory, and mounting screws.
AC Infinity Cloudline S4 inline fan system with red ducting and carbon filter.
AC Infinity Ecosystem with controller, fan, lights, and control plug.
AC Infinity Cloudline S4 inline fan with PWM EC motor, quiet and energy efficient.
AC Infinity inline fan system with plants and controller.
Extra 5% Off

AC Infinity Cloudline S4 Inline Fan System w/ Speed Controller - 4" Duct

Sale Price:
$129.00 USD $119.00 USD$129.00 USD
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Pay as little as
$11900/mo
for a term that suits you, up to 36 months. Learn More
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AC Infinity Cloudline S4 Inline Fan System w/ Speed Controller - 4" Duct

Struggling with stagnant air, excess heat, or unwanted odors in your grow tent? The AC Infinity Cloudline S4 provides a powerful and quiet solution, engineered to create the perfect environment for your plants. This 4-inch inline duct fan uses a state-of-the-art EC motor to deliver precise, energy-efficient airflow, ensuring your ventilation is effective without being disruptive.

The mixed-flow design allows this versatile fan to maintain strong airflow even in high-pressure setups, making it ideal for both intake and exhaust applications. It includes a simple 8-speed controller for easy adjustments right out of the box. For those seeking advanced automation, it's fully compatible with the AC Infinity Smart Controller 69 Pro, allowing for climate-based triggers and scheduling. Pair it with a compatible 4" carbon filter and ducting to create a complete air filtration and circulation system.

What's Included

  • Cloudline S4 Inline Duct Fan (4-Inch)
  • 8-Speed Manual Controller
  • AC Power Adapter
  • Mounting Hardware & Corded Ties
  • Two Steel Duct Clamps
  • Instruction Manual

Features

AC Infinity Cloudline S4 fan operating quietly
AC Infinity Cloudline S4 showing mixed-flow design
AC Infinity Cloudline S4 with speed controller
AC Infinity Cloudline S4 easy maintenance and cleaning
🤫
Quiet EC Motor

Operates at just 28 dBA, making it one of the quietest fans available for home grows.

💨
Powerful Airflow

The mixed-flow design delivers 205 CFM, ensuring consistent performance even with filters attached.

🎛️
Precision Speed Control

Includes an 8-speed manual controller for fine-tuning airflow to match your plants' needs.

🛠️
Durable & Easy to Clean

Features an IP44-rated housing and detachable components for straightforward cleaning and maintenance.

Specifications

Specification Value
Duct Size 4"
Total Dimensions 7.40 x 11.93 x 6.93 in. (18.8 x 30.3 x 17.6 cm)
Cord Length to Controller 240 in. (20 feet)
Cord Length to Plug 96 in. (8 feet)
Total Airflow 205 CFM
Total Noise 28 dBA
Max Speed 2800 RPM
Static Pressure 223 Pa
Max Power Draw 28 W
Average Power Usage 21 W
Ingress Protection IP 44
Fan Bearings Dual Ball
Mounting Positions Horizontal or Vertical
L10 Life Expectancy 67,000 Hours

Support & Manuals

Warranty

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

FAQs

What's the difference between the S-Series and T-Series fans?+

The primary difference is the controller. The S-Series, like this Cloudline S4, includes a manual 8-speed controller. The Cloudline T4 and other T-Series models come with a smart controller that allows for automated climate control based on temperature and humidity triggers.

How loud is the Cloudline S4?+

The Cloudline S4 is designed for quiet operation, producing only 28 dBA at its highest speed. This is comparable to a soft whisper, making it ideal for use in living spaces without causing a disturbance.

Can I use this fan for both intake and exhaust?+

Yes, absolutely. The mixed-flow impeller design is highly efficient for moving air in either direction. You can use it to bring fresh, cool air into your tent or to exhaust hot, stale air out.

What else do I need to install this fan?+

The kit includes the fan, controller, and mounting hardware. To complete your setup, you will need 4-inch ducting, such as the AC Infinity Flexible Ducting, and potentially a carbon filter if you need to control odors.

How do I get the best results with my ventilation system?+

Proper setup is key to maximizing efficiency. Ensure your ducting has minimal bends, and match your fan's CFM rating to the volume of your grow space. For a detailed guide on optimizing your setup, check out our in-depth guide on AC Infinity kits.

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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