Great odor control, low dust, and apparently okay to flush although I guess that’s debatable, but even if you don’t, way better smell than the gravel. I haven’t found anything better.

I’ve tried a lot of litters, especially non-clay litters over the past several years and this is by far my favorite for my two prince-kitties. It clumps quickly and well, fights odors well, and has relatively low dust. A great alternative to the mass-produced, strip-mined, clay products.