HEPA filters are common in air purifiers and vacuums. Here's more on what they do, and whether they're worth prioritizing in the appliance you're shopping for.

A temperature element in the air filter house combustion ... The air filter configurations are listed in Table 1. The usage of high efficiency filters as a 3rd stage was installed at two of ...

AAF International introduces the MEGAcel® family of filters incorporating AAF’s unique Helior™ media, a proprietary, durable ePTFE media, combining ultra-high efficiency with extremely low pressure ...

HEPA stands for high-efficiency particulate air. A HEPA filter is a type of mechanical air filter; it works by forcing air through a fine mesh that traps harmful particles such as pollen ...

but now researchers in Korea have developed a new water purification system that can filter out these tiny fragments, as well as other pollutants, very quickly and with high efficiency.

The new Airguard Legacy™ high efficiency filter is a sustainable component for LEED/green building projects. The Legacy is a MERV 15 (Standard 52.2 minimum efficiency reporting value) product with ...

I preferred filters with high-efficiency ratings for these selections, though this was balanced against the overall price and value of each furnace filter product. The MERV rating of each furnace ...