01/28/21 Update: This article describes the benefits of filtration in homemade masks, which are similar to the protection afforded by the surging practice of double-masking. You can read more here.

What happens when an air filter for 3D printers gets designed by engineers with a passion for function, a refusal to compromise, and a desire to do without bad smells or fumes? You get the Nevermore, ...

Per- and polyfluoroalkyl substances (PFAS) have been mass produced for decades in consumer products like frying pans, ...

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) ...

A closeup electron microscopy image of activated carbon, like those found in water filters. Credit: Dr. Mark Gale Activated carbon filters have become common household items as water filters in ...

Discount Air Filter Mercedes Benz 2-Pack Cabin Air Filters For Mercedes-Benz GL350 GL500 ML300 ML350 – Carbon Activated, OEM ...

Bacteria present a sticky and costly problem for wastewater treatment plants. When the microbes accumulate on filters, they secrete a polymeric slime that gums up water filtration. To help prevent ...

Although we've seen some interesting alternatives being developed, for now the most commonly-used water filtration media are silicon gels and activated carbon. These materials can only be used once, ...

With an active carbon filter and stainless steel body that keeps water cold for up to 24 hours, this Philips GoZero filtered water bottle is the best of both worlds. The 18.6-ounce vessel holds enough ...