- 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
AC Infinity 4" Pro Air Filtration Kit System
starting from 0% interest financing from
/mo.
- Moves 205 CFM of air while drawing only 25W of power
- EC-motor fan paired with smart Controller 69 for dynamic speed adjustments
- Compact 4-inch footprint fits 2x2 and 3x3 grow spaces perfectly
- 2-year warranty, does not cover non-durable goods or consumables
- View More Details
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We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
Who This Is For
- You are switching to smart ventilation because manually toggling fan speeds to fight humidity spikes wastes your time.
- You are upgrading to an integrated kit because mismatched fans and filters keep leaking odors into the hallway.
What We Found
- The Controller 69 is the real draw here, giving you logic-based speed changes that a simple on-off switch lacks.
- We found the four-layer ducting is much harder to tear during install compared to standard flimsy silver pipes.
- AC Infinity keeps the noise floor at 29 decibels, which is actually quiet enough for a living room setup.
What Users Say
- Growers who switched to this kit say they stopped worrying about odor because the Australian charcoal is so dense.
- Users often tell us that the quiet EC motor finally let them run their tent in a bedroom without hearing a roar.
- Buyers running automated cycles report their crop quality improved once the humidity stopped spiking at night.
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
Features
🧠
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.
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.)
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