
Cora Ball
Spiky polyurethane ball that catches up to a third of microfibers in the wash. Zero installation.
- Drop-in
- Catches 31% of fibers
- No install

microfiber
Independent testing at the University of Plymouth. The only catch system with peer-reviewed data.
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Quick take
Why we picked it
Independent testing at the University of Plymouth. The only catch system with peer-reviewed data.
Plumbed inline filter that catches 98% of microfibers at the washer outlet. The serious answer.
How we vetted this
RESEARCHEDWe recommend this product based on materials, certifications, and reputation. We have not yet bought or tested it in our own home.
If we move it into our home, we'll upgrade its tier and add first-person notes. If lab data emerges, we'll note that here.
Where to buy
Alternatives
Other picks in the same category we'd also consider, ranked the same way.

Spiky polyurethane ball that catches up to a third of microfibers in the wash. Zero installation.
Best valueMesh bag for synthetic loads. Higher catch rate than the ball, slightly more setup.
Recommended based on the criteria for the cleaning + air chapter, written down before we shopped. Read the methodology →