Interest in air filters and purifiers is spiking ... NPR has previously posted a design and guide to building an air purifying cube known as a Corsi-Rosenthal Box, using four 20-inch MERV 13 ...

The best air purifiers for pets can remove dander, fur and other allergens from the air—and keep your home smelling fresh.

The HotBox Portable Air Purifier claims to eliminate cannabis smoke and odors. We put it to the test. Does it work?

Interest in air filters and purifiers is spiking in Southern ... NPR has previously posted a design and guide to building an air purifying cube known as a Corsi-Rosenthal Box, using four 20-inch MERV ...