WDEL: Not an air purifier, but a COVID-killer | Brandywine Hundred company is 1st in Northeast to install revolutionary tech https://www.wdel.com/news/not-an-air-purifier-but-a-covid-killer-brandywine-hundred-company-is-1st-in-northeast/article_a16e41c8-4095-11eb-bc03-af5794bc4970.html Related
