Cheap vs. expensive car engine air filters: Is it really worth paying more?

Engine air filters can be made of various materials, some cheaper than others. Is it really worth it to shell out extra cash ...
Medical Xpress

Could a cheap, DIY air filter help rid your home of viruses?

A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection ...
Science Daily

Cheap charcoal air filters offer improvements to in-vehicle air quality

A cheap charcoal air filter can reduce nitrogen dioxide (NO2) inside vehicles by as much as 90%, compared to levels outside the vehicle. A cheap charcoal air filter can reduce nitrogen dioxide (NO 2) ...
Los Angeles Times

DIY air filters can be safe, simple and inexpensive. Here’s how to make one

With the reddish-orange skies and smoke-filled air, Californians who had previously never heard of PM2.5 pollution are quickly learning about the Air Quality Index and what they need to do to protect ...
The New York Times

IKEA Förnuftig Air Purifier: Cheap, Sleek—and Weak

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Updated August 5, ...
EurekAlert!

Cheap charcoal air filters offer improvements to in-vehicle air quality

A cheap charcoal air filter can reduce nitrogen dioxide (NO 2) inside vehicles by as much as 90%, compared to levels outside the vehicle. Research presented in a report by WM Air, the West Midlands ...