- CLOUDLINE LITE 4” Inline Duct Fan
- 10-Speed Fan Controller
- 4” Premium Carbon Filter
- 25 ft. Four-Layer Flexible Ducting
- Duct Clamps (x2)
- Hanger Straps (x2)
AC Infinity 4" Air Filtration Kit System
- 165 CFM total airflow capacity
- 1200+ IAV Australian virgin charcoal filter bed
- Fits standard 4 inch diameter ducting
- 2-year warranty, does not cover non-durable goods or consumables
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Commercial & Bulk Purchasing
We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
Who This Is For
- Growers scaling from a single tent to a multi-chamber setup who need consistent odor control for each room.
- Operators managing tight grow spaces who need a low-profile ventilation kit that fits into restricted overheads.
What We Found
- The 10-speed controller provides real value because it lets you drop fan voltage to reduce resonance in small rooms.
- We tell customers to pair this with a shorter duct run to avoid the back pressure that degrades airflow performance.
What Users Say
- Buyers who installed this in residential areas say they finally stopped dealing with odor complaints from neighbors.
- Users who upgraded their ventilation report that they spend less time monitoring humidity levels after the install.
AC Infinity 4" Air Filtration Kit System
Tired of dealing with unwanted odors and stagnant air in your grow space? The AC Infinity 4" Air Filtration Kit is your all-in-one solution for creating a clean, fresh, and healthy environment for your plants. This comprehensive kit bundles a powerful inline fan with a premium carbon filter and durable ducting, providing everything you need to manage your climate effectively. Whether you're setting up a new grow tent or upgrading your existing ventilation, this system is engineered for quiet performance and superior odor elimination. For growers seeking automated climate control, consider the 4" Pro Air Filtration Kit System.
What's Included
Features




Quiet & Efficient Airflow
The CLOUDLINE LITE fan uses a mixed-flow design for high static pressure, delivering 165 CFM quietly.
Premium Odor Elimination
Features a filter with 1200+ IAV Australian virgin charcoal for superior absorption of odors and chemicals.
Precise Speed Control
Includes a 10-speed fan controller, allowing you to fine-tune the airflow for your specific needs.
Durable & Complete
The kit includes tear-resistant 4-layer ducting and all necessary clamps and straps for easy installation.
Specifications
| Specification | Value |
|---|---|
| Duct Size | 4" |
| Fan Dimensions | 7.48 x 11.89 x 6.93 in. |
| Total Airflow (Fan Only) | 165 CFM |
| Total Noise | 29 dBA |
| Max Speed | 2800 RPM |
| Static Pressure | 324 Pa |
| Max Power Draw | 25 W |
| Average Power Usage | 18 W |
| Voltage | 100-240V AC |
| Operating Humidity | 35 to 85% RH |
| Operating Temperature | 0 to 140°F |
| Ingress Protection | IP 44 |
| Fan Bearings | Dual Ball |
| L10 Life Expectancy | 67,000 Hours |
| Carbon Filter Dimensions | 13.35 x 6.97 in. |
| Flange Material | Aluminum |
| Mesh Material | Galvanized Steel |
| Carbon Type | Australian Virgin RC412 |
| Carbon Grade | 1200+ IAV |
| Carbon Thickness | 38mm |
| Maximum Airflow (Filter) | 210 CFM |
| Ducting Length | 25 ft (300 in.) |
| Ducting Material | PVC Thermoplastic & Aluminum Foil |
Support & Manuals
Warranty
This product comes with a two-year warranty from AC Infinity. Please note this does not cover non-durable goods or consumables. All sales final.
FAQs
This 4" kit is ideal for smaller grow tents, typically up to 3'x3' or 4'x2'. It effectively manages air exchange and odor control for spaces of this size.
Yes, the entire system is versatile and can be configured for either exhaust (pulling air out) or intake (bringing fresh air in), depending on your specific ventilation setup.
The lifespan of the carbon filter depends on usage and the level of odors. On average, with continuous use, we recommend replacing the filter every 9-12 months to ensure optimal performance.
This standard kit includes a 10-speed manual controller for direct fan speed adjustment. The 4" Pro Air Filtration Kit System upgrades to a smart controller that automates fan speed based on temperature and humidity, offering more advanced climate control.
The fan is designed for quiet operation, producing only 29 dBA at its highest setting. This is comparable to a soft whisper, ensuring it won't be a significant source of noise. For even quieter operation, consider adding an AC Infinity 4" Duct Silencer.
For a comprehensive overview and best practices, check out our in-depth guide on AC Infinity air filter kits. It covers everything from installation to optimizing your environment.
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.)
Why Trimleaf
Equipping home growers, craft producers, and commercial operations across North America since 2016.