SAN DIEGO — Thinking outside the box, students took COVID safety into their own hands. "It’s a box fan, and then you make a cube out of these filters that you can buy at any hardware store, super ...

HOUSTON — RectorSeal, a manufacturer of HVACR and plumbing accessories, has announced the addition of the Flow Right filter box to its extensive line of IAQ products for HVAC systems. Flow Right air ...

MILWAUKEE (CBS 58) -- People are building do-it-yourself air filter boxes to increase their level of ventilation and protection against COVID-19. A Corsi-Rothenthal Box is essentially a portable air ...

Add Yahoo as a preferred source to see more of our stories on Google. Corsi–Rosenthal boxes are a homemade air purifier system made of four furnace filters taped together to make a square, with a box ...

Correction: (March 25, 2025) In the thirteenth paragraph, “within 3 to 4 feet (91 to 120 centimeters)” should be “within 8 feet (244 centimeters).” An edit has been made in the press release to ...

The U.S. Environmental Protection Agency has verified that a do-it-yourself indoor air filter is 99% effective in removing airborne viruses, including COVID-19 and RSV. The “Owl Force One” device was ...

With allergens, disease, odors, and dust building up over the winter months, there are many reasons to consider an air purifier for your home. While there are impressive air purifiers you can buy with ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Corsi–Rosenthal ...