Sifter

This is a simple sifter/storage container. It doesn't do a perfect job and does require a lot of manual shaking, but it does reduce the finer particles. This has helped greatly with my cold brew which had a lot of sediment slipping through the steel strainer before; I still get some but not nearly as much. If using paper filters, it probably isn't going to serve much purpose.

I love the simplicity of this product and that it does exactly what it advertises: sifts the coffee grounds so my pour-over cup of ☕️ isn’t full of grit. Easy to use; easy to clean.

I do a fine grind, but not espresso powder fine, for pour over/drip coffee. That said, I tried both mesh screens and while I got some of the fine powder out which did arguably result in a smoother, richer tasting coffee, it required a lot of extra work!
(1) the grounds got stuck in both screens which resulted in needing to frequently use a bristle brush (not included), to clear the meshes (2) even after minutes of shaking the grounds over a bowl, I still had powder left over (shown in paper filter) (3) more coffee powder ended up electrostatic-ally clinging around the inside rim when compared to what fell out.
Conclusion: if you REALLY care about the little difference this makes in taste and don't mind all of the extra steps that seemed necessary to use and clean this canister, go for it! Otherwise, you might be better off just accepting your coffee and maybe using a different grinder if anything.

I definitely fall more on the "weird coffee person" side of the scale, and as someone constantly fighting the battle against fines in my grounds, this item caught my eye. And I have to say I'm certainly impressed with it! It's simple enough to use; pour your ground coffee into the jar, pop in your desired screen (it comes with two to control the threshold of fine retention, or if you're trying to grind finer than the coarser screen), attach the lid and turn the whole thing upside down and shake. The coarser screen does an excellent job at filtering my grounds, and has led to measurably more consistent pours and draw downs with a v60, both with paper and metal filters. So as far as doing what it advertises, easy 5/5.
All that said, do consider carefully if this is really something you need! Adding a sifting step into your coffee routine is going to immediately add on at least a couple minutes for every brew, and if you drink a lot of coffee or brew for multiple people throughout the day, that time investment is gonna add up quickly. Cleanup is also nothing to sneeze at, with multiple parts to wash out when you're done each time, including the screen which can take some extra attention. You're also likely to only really get much benefit from this sifter for pour over methods as well. If you just use a drip maker, or prefer immersion brewing like a french press or even aeropress, fines aren't going to be so much of an issue in the first place. Even for me I usually skip the sifting for my first cup in the morning -- that's a lot of extra work and time for someone who hasn't had their morning coffee yet. But if you do struggle with fines and regular grinder maintenance can't seem to solve the issue, this sifter absolutely works like a charm!

I have an electric grinder, and while it's good, it's not the best. There's tons of fines that end up coming out regardless of the grind setting. This little sifter has improved the flavor so much that I now drink my coffee black. Plus it's fun to incorporate into my morning coffee routine! Great product!