NaceCare HVA160 Henry 160 Canister Vacuum-with Allergy Easing Hepa-Filtration and AST9 Professional Accessory kit, 1.6 Capacity, BlueUp to 1 in 3 of us suffer from dust related allergies, triggered by minuscule allergens, such as pollen, pet dander and dust mites found hiding all around our homes. Virtually undetectable, these unwelcome guests easily escape even the most powerful of household vacuums, triggering allergies. Luckily, Henry Allergy is here to help! Equipped with a HEPA filter, Henry Allergy is much more than any ordinary vacuum cleaner. Together with his TriTex filter