- R6 6" Inline Duct Fan
- Variable Speed Controller with Built-in Thermometer
- 6" Carbon Filter with 1200+ RC 412 Rating
- 8 feet of 6" Ducting
- Installation Bracket with Airflow Direction Indicators
- Mounting Hardware and Accessories
Vivosun Inline Fan R6 Air Filtration Kit w/ Thermometer - 6" Duct
- 390 CFM airflow at 2550 RPM for efficient air exchange
- Integrated thermometer and variable speed dial on a single wired controller
- Standard 6-inch ducting and compact housing fits most 4x4 or 5x5 spaces
- 1-year after-sale service coverage
- View More Details
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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
- You are upgrading your ventilation because your current fan is too loud for a residential living space.
- You are installing a filtered exhaust because heat and humidity are stalling plant growth in an enclosed space.
What We Found
- The plastic housing makes this unit much lighter than steel fans, so hanging it solo in a tall tent is easy.
- The locking tabs on the duct ends are a huge plus for cleaning without having to pull the whole system down.
- The thermometer probe is long enough to reach the canopy even when the fan is mounted near the ceiling.
What Users Say
- Users who replaced loud metal fans say the quiet operation allows them to work comfortably in the same room.
- Buyers who struggled with heat spikes say the variable controller helped them dial in a stable environment.
Vivosun Inline Fan R6 Air Filtration Kit w/ Thermometer - 6" Duct
Struggling to manage heat, humidity, and unwanted odors in your indoor garden or workspace? The VIVOSUN R6 Air Filtration Kit is the all-in-one solution for creating a perfectly balanced environment. This complete package combines a powerful inline fan, a high-efficiency carbon filter, and flexible ducting to ensure optimal air quality and circulation, making it an essential component for any successful grow tent or enclosed space.
At its core, the R6 inline fan delivers an impressive 390 CFM of airflow at 2550 RPM, powerful enough to efficiently ventilate your target area. Despite its strength, the durable plastic housing and blades keep noise levels below a whisper-quiet 37 dB. This kit includes a variable speed controller for precise airflow adjustments and a built-in thermometer to monitor your environment at a glance. For even more advanced control, consider integrating it with a dedicated controller like the Vivosun GrowHub E25.
What's Included
Features




Powerful Ventilation
A robust 390 CFM airflow at 2550 RPM efficiently moves air through your target location.
Precise Environment Control
Adjust fan speed with the variable controller and monitor temps with the built-in thermometer.
Whisper-Quiet Design
Durable plastic construction ensures operation under 37 dB, perfect for residential use.
Easy Maintenance
Removable duct ends with locking tabs allow for quick, tool-free cleaning and access.
Compare VIVOSUN 6" Air Filtration Kits
| Feature | Vivosun R6 w/ Thermometer | Vivosun R6 Standard | Vivosun AeroZesh S6 | Vivosun AeroZesh G6 Smart |
|---|---|---|---|---|
| Airflow | 390 CFM | 390 CFM | 350 CFM | 420 CFM |
| Noise Level | <37 dB | <37 dB | <35 dB | <40 dB |
| Controller | Variable Speed w/ Thermometer | Variable Speed | On/Off Switch | E12 Smart Controller |
| Carbon Filter Grade | 1200+ RC 412 | 1200+ RC 412 | 1200+ RC 412 | 1200+ RC 412 |
Specifications
| Specification | Value |
|---|---|
| Model | Inline Fan R6 Combo |
| Size | 6 Inch |
| Airflow | 390 CFM |
| Fan Speed | 2550 RPM |
| Noise Level | <37 dB |
| Power Usage | 67 W |
| Material | Plastic |
| Carbon Filter Grade | 1200+ RC 412 |
| Ducting Length | 8 feet |
| Controller | Variable Speed with Thermometer |
| Max Ambient Temperature | 104°F (40°C) |
| Power Cord Length | 5.9 feet |
Support & Manuals
Warranty
The VIVOSUN Air Filtration Kit R6 includes 1-year after-sale service coverage and offers a free return within 30 days of delivery for complete peace of mind with your investment.
FAQs
The variable speed controller allows you to manually adjust fan speed based on real-time temperature readings from the built-in thermometer. You can increase airflow when temperatures rise and reduce it during cooler periods for optimal climate control and energy efficiency.
The R6 kit excels in household and horticultural applications including grow tents, workshops, and basements. Its 390 CFM capacity effectively ventilates medium-sized spaces, making it a great fit for a VIVOSUN 3'x3' Smart Grow Tent Kit.
The R6 fan operates at under 37 dB, which is quieter than a typical library. The durable plastic housing and blade construction are specifically designed to reduce noise, making it suitable for residential use without disturbing daily activities.
The variable speed controller is key. You can adjust the fan speed to increase or decrease air exchange, which directly impacts humidity. For a detailed guide, read our article on how to lower humidity in your grow room.
The carbon filter uses 1200+ RC 412 rated activated carbon for superior elimination of odors, chemicals, and other airborne impurities. This premium-grade carbon provides excellent absorption for any application requiring air purification.
The maximum ambient operating temperature is 104°F (40°C). This makes it suitable for most indoor applications, including grow tents with lighting systems, and attic ventilation during summer months while maintaining reliable performance.
Yes, the 6" ducting system is compatible with standard extensions and connectors. While the 390 CFM capacity can handle moderate extensions, keep in mind that very long or complex runs may slightly reduce overall airflow performance. You can find compatible parts in our inline fan systems collection.
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.