Air Purifiers & Air Cleaners: Room, Bedroom, and Office air purifiers are crucial to maintaining an allergen-free healthy home. Allbrands offers as many quality Hepa air purifiers that will move a lot air and use Hepa filtration to filter the air. A Ear Nose and Throat doctor, or an Allergy Doctor will tell you to get a Hepa accumulator purifier that uses replaceable filters to solve your allergy needs.