If your vacuum doesn't work as well as it used to, the filter is the most likely culprit. We explain how often to clean each kind of filter and when to replace them.

Some modern Dyson vacuums come equipped with HEPA filtration systems, while others don’t. Recent hype, however, has many users wondering whether or not they’re working with a HEPA Dyson vacuum at home ...

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, pet dander, ...

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. Published September ...

If you're shopping for a new air purifier or vacuum cleaner, you'll likely come across the term 'HEPA filter'. HEPA stands for 'high efficiency particulate air' [filter], and it's a standard for ...

The HEPA (high energy particulate arrestance) filters on board commercial jets already perform that level of filtration. Most airliners recycle 25-30% of the air in the cabin. The air that is being ...