[Daily Excelsior]DIY air filter can effectively filter out viruses, air pollutants: Study – Jammu Kashmir Latest News | Tourism | Breaking News J&K
Washington, Dec 26: An simple, easy-to-construct air filter can protect against illness caused not only by viruses but also by chemical pollutants, according to a study.The filter named Corsi-Rosenthal boxes, or cubes, can be constructed from materials found at hardware stores: four MERV-13 filters, duct tape, a 20-inch box ...