SuperFilter 100 pcs, Disposable Filter, 3D Printer Resin and Paint Strainer, Made in Korea by 3DMaterials

Its a filter made of paper. It works well and functions as expected. They are the same size as typical filters. You may get a few uses out of them but they are intended as single use products, I wouldn't expect to get more than one use out of them but I'm happy when I do. They help clean up my vats, Hold up to the little chunks of plastic and are easy to poor into. I normally set one of these into a cheap funnel so I don't need to hold them open, and I don't need to worry about them collapsing when I do.

Perfect size, great filter, does not tear easily, and easy to store.

Good, no complaints. Does it what you bought it for without issue

Small and cheap but inexpensive and adequate for the price

I use these to filter out the bubbles when I pour my resin into my vat and back out of the vat into the bottle. It works great and the flow is really good.

These filters have been super handy for straining leftover resin after prints. They’re sturdy enough not to collapse or tear when pouring, and the mesh catches cured bits without slowing things down. I go through a lot of resin, so having 100 in the pack is a nice bonus. Definitely worth it if you want to keep your resin clean and your prints consistent.

Works well. Filter area better than most

I've used these conical strainers for decades, mostly for paint. But I used these to strain my expensive avocado cooking oil for reuse. This pack is quite a value.