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🌿 Elevate your grow game with stealthy airflow and pro-grade odor control!
The AC Infinity Air Filtration Kit 4” combines a high-performance CLOUDLINE LITE inline fan delivering 165 CFM airflow at a whisper-quiet 29 dBA with a premium 38mm carbon filter featuring 1200+ IAV activated charcoal for superior odor elimination. Designed for grow tents and indoor gardening, this all-in-one kit includes 25 feet of flexible ducting and a speed controller for precise ventilation management. Its robust metal and aluminum construction ensures durability and a professional aesthetic, while smart controls enable remote monitoring and automation—making it the ultimate climate control solution for serious growers.



















| ASIN | B09NXKGK89 |
| Best Sellers Rank | #28,827 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #38 in Greenhouse Ventilation Equipment |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Color | Black |
| Customer Reviews | 4.7 out of 5 stars 1,592 Reviews |
| Frame Material | Metal |
| Inner Material | Aluminum |
| Item Dimensions L x W x H | 11.89"L x 7.48"W x 6.93"H |
| Item Weight | 7.88 Kilograms |
| Light Source Wattage | 34 Watts |
| Manufacturer | AC Infinity |
| Manufacturer Part Number | AC-FKS4 |
| Model Number | AC-FKS4 |
| 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.
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.
J**M
Very pleased!
If you’re on the fence about this setup for your grow tent… just buy it! Upgraded from a cheapo Chinese brand 4” fan/filter combo to this 6” ACI with the pro controller and it’s a major game changer. It moves SO MUCH MORE air than the cheaper unit. It is loud at full blast, but if your tent is indoors in a controlled climate you won’t have to run the fan for very long to bring the temps down. The controller is great because you can control and monitor everything in your tent remotely. I travel internationally quite a bit and have had no problems with controlling remotely from the other side of the world. Definitely brings some peace of mind when I’m away. I bought the dongle adapter to connect my different brand lights, and they work flawlessly with the controller. Packaging is very nice and organized. Instructions are pretty straight forward. Highly highly recommend. I also recommend purchasing the side support bars for your tent to help with the negative pressure created by the fan.
M**T
Awesome
Awesome, superb quality. This company really cares about quality products. Very quiet at speeds of 1-5, only small levels of noise at 6-10. My bathroom exhaust fan is louder than this though this is moving 4 or 5 times the air with a filter. Would def buy again. Thank you.
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!
D**S
Awesome system
AC Infinity is one of the best names in the business for environmental controls, so I was pretty excited when several items were marked down for Prime Day. The real benefit is that it offers an integrated system. Compatible components can be connected to provide comprehensive control. It's very quiet on lower speeds, and I really like being able to adjust things on the fly wherever I am, thanks to Bluetooth connectivity. This system was exceedingly well-packaged and arrived in perfect shape. The only reason I took off a star is that the installation instructions can lead you down several wrong roads if you haven't read them thoroughly before you start. I added a clamp-on fan and a humidifier for my 4x4 grow tent. Looking forward to learning how to use everything to optimal advantage. Right now, I'm tracking things I don't really understand that well. My plants really took off within the week after the AC Infinity was installed.
D**S
thought was only Bluetooth ,it’s Both
Impressed right from unboxing at the quality look. The was intimidated by this whole tent set up and wow it adds up fast, but why cut corners. Love the automated monitoring. I’m read reviews that says it had WiFi and others that said Bluetooth. It looked to me like it was Bluetooth only. It wouldn’t connect so I sent I had to create a account, simple and fast. I notice on too when I was looking for any reset button or anything and noticed it had the Bluetooth symbol on one sucker and WiFi on the other . I tried again and it’s 2.5? Connection I’m not smart with this stuff at all. So mine had both , when I purchased it I thought it was WiFi the pro version but those reviews had me thinking otherwise. I was actually going to buy the WiFi lol So I hope they all have the same version for you as I got . I did it all on pad first and yes that’s the hard way but everything I did was twice lol . Pay attention to airflow direction when installing. I did not . The app is simple to use , i didn’t get hung up on everything my light I purchased won’t work with the auto dim. Doesn’t have the daisy chain option. I’m perfectly ok with that it will turn it on and off. I would honestly have all control over how high I turn my light. I bought the plug in adapter and it works great. I bought 2 of the fans /you will regret it if you don’t pay the extra little bit for isolation. this company Carrie’s works great with app so far items that look like thay come with the cheap controller like the fans have not so just pay attention and get the t8 for intake as well I follow the recommendations by ac and I have to return the 4 in and got anothert 8 on the way. For intake air. The 4 could not keep up at all the tent was imploding on itself lol . Was sucking in the sides bad lol. I got thier 5x5 tent as well. I looked at a lot and to me this looks the best. I am honestly only wanting to grow tomatoes all year hahaha . For what I have spent I hope thier good. If not I spent more for less . This I mean everything that this company makes if great( my memory bad I forget company name) lol It’s all quality. No light shine in mine not a big concern how I’m using it . But was dark as I have evidence like last time I seen this dark I was on a cave tour and they shut off lights for a min to show how dark yep that dark . Haven’t used the self watering planter pots yet of course but they look quality and I figured get now because they probably going to sell out would be my luck. Honestly I have never did anything like this garden in yard yes every year . I can’t compare it to anything and that doesn’t help you trust my opinion and I get that 100% I can say I’m glad I don’t have to be thinking I wish I would have went with another brand . I’m am on 1-10 a solid 9 nothing is perfect so never a 10 for anything. I won’t like paying the bill but I like it more than paying for junk. Sorry I’m so long I’m tired and bored haha. Bottom like give this company a good look over I’m happy with what I received. I don’t know you or you me . I am giving my opinion as I would if a friend asked what I thought. I hope you get whatever product fits your needs the best this is definitely one to consider. Take care everyone
A**U
Excelente compra
Buena calidad de materiales y fabricación, funciona todo a la perfección y el extractor cuenta con buenas funciones
B**S
Easy set up
Super easy set up, very impressed
R**N
PUBLICITÉ MENSONGÈRE : Controleur d'ancienne génération ! Ce n'est pas celui par IA
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.
H**L
AC Infinity Set
Absolutely Nice!
J**N
Leiser und leistungsstarker Abluftfilter
Das AC Infinity T6 Pro Set überzeugt mit einer hochwertigen Verarbeitung und durchdachten Features, die insbesondere für den Einsatz in Grow-Zelten optimal sind. Hier meine Eindrücke zu den einzelnen Aspekten: Lüfterleistung und Geräuschpegel Der Lüfter ist insgesamt sehr leise und arbeitet zuverlässig. Ein Punkt, den ich allerdings festgestellt habe: Wenn der Lüfter von Stufe 0 auf 1 schaltet, hört man den Motor für etwa eine Sekunde. Dieses Geräusch ist nicht störend, aber dennoch wahrnehmbar. Sobald der Lüfter läuft, ist er wieder angenehm leise und unauffällig. Flexibilität durch den langen Schlauch Ein großer Pluspunkt ist der mitgelieferte Schlauch mit einer Länge von 7 Metern. Diese Länge bietet enorm viel Flexibilität, was besonders bei größeren Zelten oder komplexeren Setups hilfreich ist. Egal, wie die Abluft geführt werden soll – der Schlauch sollte in den meisten Fällen problemlos ausreichen. Befestigungsmöglichkeiten Die Befestigungsmöglichkeiten für Lüfter und Filter sind durchdacht und bieten viele Optionen. Besonders für kleinere oder standardisierte Zelte sind sie hervorragend geeignet. Es könnte jedoch zu Herausforderungen kommen, wenn man den Filter und den Lüfter eng zusammen oben im Zelt montieren möchte. Hier ist etwas Planung oder Anpassung nötig, da der Platz in manchen Zelten begrenzt ist. Fazit Das AC Infinity T6 Pro Set bietet ein sehr gutes Preis-Leistungs-Verhältnis und eignet sich hervorragend für Hobby- und Profianwender. Der leise Betrieb, die hohe Verarbeitungsqualität und die flexible Handhabung durch den langen Schlauch machen es zu einer lohnenswerten Investition. Kleinere Kritikpunkte, wie das kurze Geräusch beim Einschalten des Lüfters und mögliche Schwierigkeiten bei der Befestigung im oberen Bereich des Zeltes, sind nicht gravierend und schmälern die Funktionalität kaum.
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