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Black AC Infinity Cloudline S6 inline duct fan with remote, on a white background.
AC Infinity Cloudline S6 inline duct fan specs: 12.32" length, 6" duct size, 425 CFM airflow.
AC Infinity Cloudline S inline fan system for grow rooms, featuring EC motor, effortless airflow, and premium build.
AC Infinity Cloudline S inline fan: PWM EC-motor, quiet & energy-efficient operation. Red and blue airflow visuals.
AC Infinity fan speed controller with LED lights, PWM control, and backup memory.
AC Infinity controller connected to various devices, controlled by a smartphone app displaying AI environment settings.
Black AC Infinity Cloudline S6 inline duct fan with remote, on a white background.
AC Infinity Cloudline S6 inline duct fan specs: 12.32
AC Infinity Cloudline S inline fan system for grow rooms, featuring EC motor, effortless airflow, and premium build.
AC Infinity Cloudline S inline fan: PWM EC-motor, quiet & energy-efficient operation. Red and blue airflow visuals.
AC Infinity fan speed controller with LED lights, PWM control, and backup memory.
AC Infinity controller connected to various devices, controlled by a smartphone app displaying AI environment settings.

AC Infinity Cloudline S6 Inline Fan System w/ Speed Controller - 6" Duct

Official AC Infinity Dealer Model: AI-CLS6
$149.00$129.00$149.00
 $149.00
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • 425 CFM airflow moves air through long duct runs
  • 503 Pa static pressure maintains airflow through filters
  • 30 dBA quiet PWM EC motor runs at low noise levels
  • 2-year limited manufacturer warranty from the original date of purchase
  • View More Details

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Mon to Fri, 9am to 5pm PST

Call (360) 800-5535
  • Free Shipping On Most Items*To the lower 48
  • Transparent PricingBacked w/ price match guarantee
  • 4.8/5 Top Quality Store on Google
  • Secure CheckoutSSL encrypted payments

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THROUGH THE Cultivator's LENS Highlights

  • You are clearing stale air from a mid-size tent because heat and humidity build up quickly.
  • You are pushing air through a carbon filter because weak fans stall against high resistance.

  • The single-button controller sets the fan speed from 1 to 10 and remembers its last setting after a power outage.

  • Growers who automated their climate controls say they stopped dealing with sudden humidity spikes during lights-off periods.
  • Buyers running continuous exhaust cycles report that the housing resists dust buildup in demanding environments.

AC Infinity Cloudline S6 Inline Fan System w/ Speed Controller - 6" Duct

Mid-size tents and grow rooms build up heat, humidity and odor quickly, and a weak fan stalls once you add a carbon filter and a few duct bends. The AC Infinity Cloudline S6 moves 425 CFM through 6" ducting at just 30 dBA, with 503 Pa of static pressure to keep air moving through filters and long runs.

A PWM-controlled EC motor drives a mixed-flow impeller with stator blades and dual hydrodynamic wind circles, so airflow holds up in high-resistance setups. That makes the S6 equally suited to exhausting stale, odorous air or bringing fresh air into a tent. It also works for moving heated or cooled air between rooms or ventilating AV closets. Dual ball bearings rated for 67,000 hours allow horizontal or vertical mounting. The IP44-rated housing resists dust and moisture, and the motor box detaches from the mounting frame for cleaning.

The included speed controller sets fan speed from 1 to 10 with a single button and remembers its last setting after a power outage. It's powered by the fan through the included 10 ft UIS cord. For climate- and schedule-based automation, connect the S6 to any UIS controller, such as the AC Infinity Smart Controller 69 Pro (sold separately).

Features

AC Infinity Cloudline S6 6-inch inline duct fan
AC Infinity Cloudline S6 mixed-flow inline fan design
AC Infinity Cloudline S6 inline fan with 10-speed controller
AC Infinity Cloudline S6 inline fan for grow tent ventilation
🤫
Quiet PWM EC Motor

Runs at 30 dBA with smooth, efficient speed control down to very low RPM.

💨
425 CFM Mixed-Flow

503 Pa static pressure keeps airflow strong through filters and long duct runs.

🎛️
10-Speed Controller

Single-button speed control with a circular readout and last-setting memory.

📱
UIS™ Compatible

Connect to any UIS controller for temperature, humidity, and schedule automation.

⚙️
Dual Ball Bearings

Rated for 67,000 hours and mountable horizontally or vertically.

🔧
IP44 & Easy Cleaning

Dust- and moisture-resistant housing with a motor box that detaches for cleaning.

What's Included

  • 1x Cloudline S6 Inline Duct Fan
  • 1x Speed Controller
  • 1x UIS M-M Cord, 10 ft.
  • 2x Duct Clamps
  • 2x Hanging Straps
  • 4x Duct Fan Screw Sets
  • 4x Wall Anchors
  • 1x Wood Screw (Wall Mount)
  • 2x Controller Plate Bolts
  • 6x Wire Mounts
  • 1x Adhesive Wire Mount
  • 4x Hook and Loop Ties

Specifications

Specification Value
Duct Size 6"
Fan Dimensions 7.87 × 12.60 × 8.35 in. (21.2 × 32.0 × 20.0 cm)
Mounting Hole-to-Hole Distance 3.15 × 2.36 in. (8.0 × 6.0 cm)
Screw Hole Diameter 0.236 in. (0.6 cm)
Controller Dimensions 2.70 × 1.37 × 0.55 in. (6.9 × 3.5 × 1.4 cm)
Cord Length to Controller 120 in. (10 ft.)
Airflow 425 CFM
Noise 30 dBA
Static Pressure 503 Pa
Speed Settings 10
Max Power Draw 70 W
Average Power Usage 38 W
Voltage 100–240V AC
Frequency 50/60 Hz
Current 0.94 A
Power Connector Type US Plug (NEMA 5-15 Type B)
Ingress Protection IP44
Fan Bearings Dual Ball
Mounting Positions Horizontal or Vertical
Operating Humidity 35 to 85% RH
Operating Temperature 32 to 140°F
L10 Life Expectancy 67,000 Hours

Warranty

The AC Infinity Cloudline S6 is covered by a 2-year limited manufacturer warranty from the original date of purchase.

Frequently Asked Questions

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

The fan unit is the same; the controller is the difference. The Cloudline S6 includes a 10-speed controller for manual speed setting, while the Cloudline T6 ships with a smart controller and sensor probe that automate fan speed by temperature, humidity, timers and schedules.

How loud is this fan in operation? +

The Cloudline S6 is rated at 30 dBA, and its PWM-controlled EC motor runs smoothly at low speeds without motor hum. For even quieter operation, add an AC Infinity 6" Duct Silencer to your duct run.

How does the speed controller work? +

Each press of the single button raises the speed one level from 0 to 10, and pressing it at 10 cycles back to 0. Hold the button for 4 seconds to turn the fan off; press it again to resume at the last speed. The controller draws power from the fan through the included UIS cord.

Can I use this fan for applications other than grow tents? +

Yes. The Cloudline S6 also works for moving heated or cooled air between rooms, bringing fresh air into a space, exhausting workshops or basements, and cooling AV closets and equipment racks.

Can I upgrade to automated control later? +

Yes. The S6 works with all AC Infinity UIS controllers, such as the Controller 69 Pro, for temperature, humidity and VPD triggers, schedules and app control. Note that EC-motor fans like the S6 cannot be daisy-chained with DC-motor models.

What else do I need to install this fan? +

The kit includes the fan, speed controller, duct clamps, hanging straps and mounting hardware. You'll need 6" ducting, such as AC Infinity 6" Flexible Ducting, to connect it to your intake or exhaust ports. For more tips, see our guide on setting up AC Infinity ventilation.

Can I use the Cloudline S6 for intake and exhaust? +

Yes. Mount it with the airflow arrow pointing toward your grow space for intake, or away from it for exhaust. The mixed-flow design keeps airflow strong in either role, even with a carbon filter attached.

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Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

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