You get the Nevermore, a design for a recirculating active-carbon ... One deals with particulates with something like a HEPA filter, but VOCs require a carbon filter. This is where the Nevermore ...

A HEPA filter placed back in the vacuum while still ... Housekeeping Institute's Home Care & Cleaning Lab where he helps design and perform tests on various product categories.

The best vacuums for allergies have powerful filtration and sealed systems to securely trap irritants—and our expert-backed picks make cleaning easier.

It features a true HEPA filter that captures 99.97% of airborne particles as small as 0.3 microns, while the activated carbon layer absorbs odors and volatile organic compounds (VOCs). Cuzzone ...