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Green inline duct fan with black vent and silver stand.
Green inline duct fan with metal brackets and gray control box.
Green inline duct fan with black cord and plug, "Thermal Overload Protector" label.
ACDF6 fan performance curve showing pressure (Pa and in H2O) vs airflow (CFM and m³/h).
Green inline duct fan with black vent and silver stand.
Green inline duct fan with metal brackets and gray control box.
Green inline duct fan with black cord and plug,
ACDF6 fan performance curve showing pressure (Pa and in H2O) vs airflow (CFM and m³/h).

Active Air 6" Inline Duct Fan - 400 CFM

Official Active Air Dealer Model: ACDF6
$195.47 USD$151.95 USD$195.47 USD
 $195.47 USD
starting from 0% interest financing from /mo.

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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
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  • 400 CFM airflow capacity for 6-inch ventilation runs
  • Brushless AC motor with built-in thermal protection
  • Includes mounting brackets and pre-wired 8-foot power cord
  • 5-year warranty against defects in materials and workmanship
  • View More Details

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VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are adding ventilation because your current setup struggles to push air through carbon filters, leading to stagnant pockets.
  • You are upgrading your air exchange system because heat spikes in your room keep forcing your lighting to dim or shut off.

What We Found

  • The ceramic coating on the housing is a standout detail, as it prevents the surface rust we see on cheaper metal fans.
  • We keep this unit in stock because the brushless motor design significantly outlasts the older models we used to carry.

What Users Say

  • Growers who integrated this into their existing ducting say the consistent airflow finally stabilized their humidity levels.
  • Users who swapped out noisy fans for this unit say the reduced sound output makes it easier to work in adjacent rooms.

Active Air 6" Inline Duct Fan - 400 CFM

Stagnant air, high humidity, and structural heat spikes can quickly compromise an indoor harvest. Tracking these environmental shifts with an Active Air Hygro-Thermometer ensures you know exactly when to activate your ventilation. The Active Air 6" Inline Duct Fan solves these vulnerabilities by delivering 400 CFM of reliable, continuous airflow to refresh your growing environment. For optimal air purification, this fan is perfectly matched with an Active Air 6" x 16" Carbon Filter to scrub odors and contaminants.

Electrical safety and reliability are paramount when running electronics continuously on loaded circuits. Every component in the Active Air 6" Inline Duct Fan carries official UL recognition for verified safety compliance. Its precision-molded impeller handles full-range distribution while maintaining a low acoustic profile, restricting sound output to a maximum of 72 dB. Equipped with sturdy mounting hardware and an 8-foot pre-wired 120V power cord, this unit integrates seamlessly into any standard 6-inch ventilation run using Active Air Premium Ducting right out of the box.

Features

⚙️
Thermally Protected Motor

Brushless AC motor includes built-in thermal protection safeguarding against overheating during continuous 24/7 duct operation.

🔒
Sealed-for-Life Bearings

Factory-sealed internal bearings eliminate ongoing lubrication tasks and lower risks of physical failure.

⏱️
20,000-Hour Rated Life

Engineered for long-term endurance, delivering over two years of non-stop, reliable ventilation performance.

🏗️
Ceramic-Coated Housing

Heavy-duty ceramic-coated metal shell actively resists corrosion and degradation from high grow room humidity.

✅
UL-Recognized Parts

All components carry official UL recognition, verifying strict electrical safety standards for continuous operational demands.

🤫
Low Noise Output

High-grade molded impeller runs quietly at a maximum of 72 dB, mitigating ambient noise in home environments.

What's Included

  • Active Air 6" Inline Duct Fan
  • Mounting brackets
  • Pre-wired 8 ft 120V power cord

Specifications

Specification Value
Diameter 6"
Airflow (CFM @ 0.0 SP) 400 CFM
RPM 2,890
Rated Wattage 115W
Rated Amperage 0.97A
Voltage 120V
Frequency 60 Hz
Max. Decibels 72 dB
Motor Type Brushless, thermally protected AC
Bearings Sealed for life
Rated Life Hours 20,000 hours
Wire Gauge 14 AWG
Power Cord 8 ft, pre-wired 120V
Shipping Weight 10.06 lbs.
CSA Registration 258978

Warranty

The Active Air Inline Duct Fan is backed by a 5-year manufacturer warranty against defects in materials and workmanship.

FAQ

Is this 6" model adequate for my specific grow space?+

The 6" model moves 400 CFM of air, which safely supports standard indoor cultivation areas up to roughly 200–400 square feet. To confirm compatibility, calculate your room volume in cubic feet and ensure the fan can exchange that entire volume 1 to 3 times per minute. If you require higher airflow for larger rooms, the Active Air 10" Inline Duct Fan is an excellent high-capacity alternative.

Can I utilize an external fan speed controller with this model?+

Yes, this fan runs seamlessly with electronic speed controllers engineered for brushless AC motors. Please ensure any speed controller you connect is rated to safely handle the 6" model's specific 0.97A electrical draw.

What happens if the internal motor gets too hot?+

The motor features integrated thermal protection that automatically cuts power if core temperatures cross safe operating limits due to duct blockages or heat spikes. Once internal mechanics drop back to safe thresholds, operations can resume safely.

Do I ever need to manually grease or lubricate the bearings?+

No manual maintenance or lubrication is required. The internal bearing mechanisms are factory-sealed for life, removing human maintenance error and protecting structural mechanics throughout its 20,000-hour operational lifespan.

How does using the mounting bracket help control room noise?+

Securing the inline fan firmly to a solid frame, wall, or ceiling joist via the included hardware prevents the unit from hanging unsupported. Direct mounting minimizes vibrations transferring down your ventilation run, isolating and lowering room noise.

Happy To Help

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

Why Trimleaf

Equipping home growers, craft producers, and commercial operations across North America since 2016.

10+
Years of Specialist Knowledge
4.8★
Over 1,900 Verified Reviews
50,000+
Growers Served
120+
Top Equipment Brands in Stock

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