Yield Lab Carbon filter?

Does anyone have any experience with these filters?
http://growace.com/fan-filters-co2/fan-filters/yield-lab-6-inch-purifier-activated-charcoal-filter.html

Seems like a really solid price compared to Can or Phresh, but do they work?

I can get a Can 66mm filter for 170$, this option though only 52mm is less than half that price.. you could throw 2 of these filters in and still spend less lol

I want a quality filter that will completely kill the oder from my 4x4x8 closet..

You can make one yourself for under 20 bucks check the interwebs

Yeah, they really work. I get the same brand that growace carries but at my local hydro store.