I grabbed one of these with my Pax 3 when I ordered it. It does indeed increase air flow just enough to make using the Pax more pleasant. Don’t get this thinking that you’ll be able to rip a long, hard pull through the vape, though. They might sound corny, but the instructions to “sip gently” from the Pax are still applicable, even with the increased air flow. And do pack it tightly (firm pressure with your tamper, but not so much that you have to death grip the Pax to keep it from being pushed out of your hand.) If you do those things, the Pax will work great with this screen. The channels that allow for the increased air flow also mean they’ll hold onto gunk better than the stock screen, but both drop into isopropyl alcohol for cleaning just fine (and the Pax is definitely a vape you need to clean regularly to keep working well). The only downside for this screen has been that you need to remember to not just dump the spent oven contents into the bin - because the screen will come out with it! But that’s by design - you can’t fit this thicker metal in like you do the stock screen (it’d be wedged in way too tight). If you’re using a Pax regularly and have found the air flow a bit restrictive, even if you’re sipping gently, this would be a good investment. And if you find that bud dust/residue are a big issue in the oven/mouthpiece sides, I suggest tamping the contents in the oven just a bit more firmly. Once I did this, the dust was minimal and I
could use more often before I had to clean again.