BLUEAIR Blue Pure 311i Max SmokeBlock Genuine Replacement Filter, Extra Carbon Captures 99.99% of Wildfire Smoke, fits Blue Pure 311i Max Air Purifier

Customers find the air filter effective at removing particulates and busting odors, with one mentioning it helps reduce kitchen smoke. The filter fits well, is easy to install, and receives positive feedback for its quality. While some customers say it lasts a long time, others report issues with the plastic tearing open. Customers disagree on whether it offers good value for money.