21/01/2022
“Tom Osborne, a student at Footsteps school, has already built several of the home-made low-cost devices, known as Corsi-Rosenthal Boxes, using a simple 20-inch square box fan, duct tape, cardboard and four MERV 11 filters from local company Caribbean Filtration.”
An 11-year-old schoolboy in Cayman is building do-it-yourself air purifiers to help cleanse indoor areas of airborne virus particles, as well as smoke, pollen, dust and other allergens.