








🌿 Elevate your grow game with stealthy airflow and odor control—because your plants deserve the best!
The AC Infinity Air Filtration Kit 4” combines a high-efficiency CLOUDLINE LITE inline fan delivering 165 CFM airflow at a quiet 29 dBA with a premium carbon filter featuring 1200+ IAV activated charcoal for superior odor control. Designed for grow tents and indoor gardening, it includes 25 feet of flexible ducting and a speed controller for precise ventilation management. Built with durable materials, this kit offers professional-grade cooling, ventilation, and odor filtration in one easy-to-install package.


















| ASIN | B09NXKGK89 |
| Best Sellers Rank | #7,701 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #12 in Greenhouse Ventilation Equipment |
| Brand | AC Infinity |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,528) |
| Date First Available | June 21, 2021 |
| Frame Material | Metal |
| Inner Material | Aluminum |
| Item Weight | 17.34 pounds |
| Item model number | AC-FKS4 |
| Light Source Wattage | 34 Watts |
| Manufacturer | AC Infinity |
| Outer Material | Dual PVC thermoplastic |
| Product Dimensions | 11.89"L x 7.48"W x 6.93"H |
| UPC | 819137022065 |
J**J
Powerful exhaust fan and controller
As soon as I got my S44 light - I was hooked on AC Infinity's build quality. And wanted to have better control over exhaust heat & smell. This kit is perfect for my 4'x4'x80" tent. Sets up easy, came packaged really well, and works like a champ. It's a bit loud when it ramps up to full power, but it also moves a ton of air quickly. Mine spends most of its time around half power, and is pretty quiet there. At full power, it's comparable to a window A/C unit. They've got duct silencers available if noise is a problem. Tons of included mounting hardware, plenty of ducting. All very high quality in build and look. The controller can be a bit confusing to set up at first, but they have a YouTube video that explains it all pretty quickly. I find setting up advanced automations is the way to go, as that will override any default settings and you can have any number of custom triggers and high / low settings for specific schedules, as well as transition points and buffers for smooth ramping of fan power, etc. The data graphs on the app are fantastic, and make it a lot easier to tweak the setup for ideal conditions. Highly recommend this whole system, and am adding one of their humidifiers, another clip fan, and the outlet controller for a small heater soon.
A**W
First rate quality as usual
I’ll start by saying this, if you are worried about discrete packaging then I’ll put your minds at ease. When you checkout there is an option to have your item shipped packed in a plain Amazon box. Do that and your worries are at an end. BUT that’s not that important because it seems ac infinity has thought of this and no longer packages these with a big advertisement of what’s inside. It does have a SMALL logo on either end of the plain box and in very small letters it says air filtration system but aside from that no big deal. I still opted for the Amazon box because I don’t want people getting the wrong idea. Now on to the actual product itself. Quality is top notch as always. Yea you can hear the fan on the highest settings but on 6 and below it’s very VERY quiet for the amount of air this unit moves. You’re really getting some high quality equipment here. Now onto the app. So far I’m very pleased with it. I grow sarracenia and I start thousands of seedlings in a grow tent for about a year before they go outside for their first dormancy. While a carbon filter isn’t really necessary for these plants, an exhaust fan is because they naturally like lots of light. The grow light I’m using doesn’t generate a ton of heat but on a warm day the temps can rise past 80 and I prefer to keep my plants in the mid to high 70’s. This fan and controller have allowed me to keep my climate within precise parameters from ANYWHERE. I love being able to monitor my tent while I’m at work. It definitely offers peace of mind. Well worth the money spent! If I were to purchase the inline exhaust fan, controller and other extras seperate it would definitely add up to more than this whole kit. The way I see it the carbon filter is a nice extra. Like I said I don’t need to get rid of any smells but I set it up to filter incoming air when the exhaust fan comes on when the temp rises above 80F Ac infinity always impresses me with their quality and attention to detail. It really is top notch. You can’t do any better. I’d be amazed if any of the similar units are anywhere close to this level of quality.
J**P
Works well
Excellent build quality. Loved how it was packaged! Stylish and worked well for me.
D**Y
The Best on the Market
I never write reviews but this setup is beyond top quality and I felt obligated. There are a lot of fan, carbon filter combos you can get off here for roughly the same price. I've went through a lot of them in 20 years. This combination is beyond amazing quality though. Let's start with the included documents, all in English, all very clear and understandable.Theres a full manual that helps you grow canna and it's quite good. All the equipment looks real nice and feels sturdy. The carbon filter design with 3 extra pre-filters and permanent mounted hanger hooks is nice. The fan quality is great and noise level at the highest setting is quiet enough to not be bothersome. The duct is much higher quality than I've ever gotten in a package deal, it's insulated, thick and looks like it will last 20 years easily. Lastly the pro controller. I bought an ionframe evo10 a few weeks ago to test and really didn't want a controller but figured since it was a package deal I'd give it a try. I'm so happy I bought it. This is a 4 port controller that recognizes lighting, fans, humidifier, etc. It ramps the fan up and down depending on the temps, humidity and kPa settings you input. It'll schedule the lights. It is literally the cats meow..AC Infinity has made a customer for life.
A**R
Best Equipent I've come accross
I absolutely love this company. I had bought another system only for it to quit working a month after I got it so I got a AC Infinity system and it is great! Has a few issues from time to time but it has been a dream with this system and they actually fix issues. By the time you are ready to complain there is usually a notice of upgrades before even actually calling. I would recommend this product and company to everyone. I'm sold!
M**S
Das AC Infinity Air Filtration PRO Kit hat meine Erwartungen nicht nur erfüllt, sondern übertroffen. Das Set ist durchdacht, hochwertig verarbeitet und sofort einsatzbereit. Der Aktivkohlefilter arbeitet absolut zuverlässig – selbst bei starkem Geruch wird alles sicher neutralisiert. Der Lüfter läuft überraschend leise, was für mich ein großer Pluspunkt war. Die Steuerung über das UIS-System ist genial – besonders mit dem automatisierten Temperatur- oder Feuchtigkeitstrigger kann man das System perfekt anpassen. Auch die Montage war unkompliziert, alles passt exakt. ✅ Highlights: • Starke Geruchsfilterung durch hochwertigen Kohlefilter • Sehr leiser Betrieb bei hoher Effizienz • Super einfach integrierbar in bestehende AC Infinity-Setups • Langlebige Komponenten, kein Billigkram ❌ Hinweis: Wer nicht das ganze UIS-System nutzt, kann sich evtl. anfangs etwas in die Steuerung reinfuchsen – lohnt sich aber! Fazit: Wer einen professionellen und leisen Luftfilter für sein Grow-Zelt sucht, kommt um dieses Set kaum herum. Absolute Kaufempfehlung für Hobby- und Pro-Grower!
A**U
Buena calidad de materiales y fabricación, funciona todo a la perfección y el extractor cuenta con buenas funciones
J**Y
great product
R**N
PUBLICITÉ MENSONGÈRE ! Ce n'est pas le contrôleur par IA mais celui d'ancienne génération. Ne vous fiez pas à la photo ni à ce qui est écrit.
E**.
Premium Unit with outstanding extraction and very quiet too
Trustpilot
2 months ago
2 months ago