LEVOIT 24db Smell Reducing HEPA Filter Air Purifier

We ran our original test model for two years without replacing the filter, and it still performed just as well in our follow-up test as it did on day one. We ran our second test model 24/7 for four years, and again we saw no change in performance, noise output, or reliability. It isn’t a… Continue reading LEVOIT 24db Smell Reducing HEPA Filter Air Purifier