AC InfinityAir Carbon Filter 4" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow Rooms

Just save yourself the hassle and order this one. I originally ordered the "HYDROWE" brand. My room still smells. I was looking through reviews. A guy mentioned he had bought all the brands and AC was the best. So I got one. Smell was gone in 15 minutes. And the flanges are reversible. Would absolutely recommend.

This, along with the fan, keeps the weed smell in my room down to a minimum when we smoke. nice investment...

Great filter for grow tent highly recommend

using this to filter air in a cat box, drawing air through it with a 120mm computer fan. completely eliminated cat odor, amazing. Seems to induce very little back pressure.

The AC Infinity charcoal filter is a top-tier addition for anyone looking to keep their air clean and fresh. It effectively traps odors and particles, ensuring that your environment stays free from unwanted smells and pollutants. The installation is straightforward, and the filter’s performance is impressive, making it a reliable choice for improving air quality. Whether you're using it in a grow tent, a ventilation system, or any space needing clean air, this filter delivers excellent results with minimal maintenance. If you're in the market for a high-quality charcoal filter that combines efficiency with ease of use, the AC Infinity charcoal filter is a standout option!

I put this on a mini spray booth so I can airbrush models in the house without being yelled atby the wife. I am amazed at how good it works. There is “no” smell at all.

Awesome product but the box is not discrete.

I have what is essentially a grow tent, except I don't grow anything in it and sleep in it instead.Because the air in there automatically gets thick n' clammy (like a good chowder), I bought an AC Infinity.. uhh.. T series? S series? The one that HAS the electronic control stuff-- inline fan. I also bought some of their ducting, and then used some generic 4" bits and pieces to make stuff work to pump fresh are into my sleeping pod.However, I noticed that I was waking up, kind of often, with a pretty bad smell in my nose. Sometimes, I'd know what it was, other times not, but I bought one of these filters for the intake side, and I'm able to draw in air from my room and give it a nice fresh non-scent. It hasn't messed with airflow too, too terribly, and I am still able to pick up air conditioned air when I want it by placing the filter at the outflowing vent of my AC.The first day or two, the non-smell in my room (basically, a smell unto itself-- almost sweet) was intoxicating. I also noticed-- as dumb as this will sound-- that the air felt smooth, as though it was almost too easy to breathe.Long story short, I'm very pleased, continue to be impressed with AC Infinity (I have a few of their hobby/kit fans, also) and find all their stuff well worth the money.