While the Shark Navigator is beloved by reviewers, who’ve given the piece an impressive 80,000 5-star ratings, if you prefer ...

The vacuum sells for $275 if you buy into the bag subscription plan (where four bags and one HEPA filter are sent to you every six months for $35) or $295 if you don't.

As with other Dyson vacuums, some do, and some don’t have HEPA filters, so you’ll need to check your specific model. The standard Dyson Big Ball Canister Vacuum features a HEPA filter.

For cordless and handheld vacs, the filter is usually located on the top or back of the vacuum body, close to the motor or inserted inside it. They tend to have a distinctive ruffled appearance ...

Air filters have to meet certain specifications in order to qualify as a HEPA filter, specifically, the ability to trap 99.97% of all particles as small as 0.3 microns.