Adam in Suzhou sent me a picture of a creative solution to a filter problem.
The fan he had at his house had an opening that was slightly larger than the HEPA. So Adam cut out a piece of cardboard to close up the edges. Great idea!
Adam says, “It’s already turned slightly gray after one night!
Free Guide to Breathing Safe
Want to learn more about Air Purifiers? Join thousands more and stay up to date on protecting your health.