The number of items and percentage of total SKUs with NLP classification may change daily with the NLP tag providing official status for an item
I tested each machine across a full session of rolling, paying attention to fill consistency, tube feed reliability, and how the mechanism holds up after extended use
the stalks are cut, stacked, allowed to wilt down, then transported to the barns to be hung
I repeated the seared fish test (this time we used tilapia, not tuna, which is pricey)
For the 2026 update to this guide, I tested seven new purifiers: Three with the potential to be our top pick, two meant for small rooms, and two high-end purifiers, which well cover as a category in a separate buying guide