Dirt, dust and even microscopic allergens are no match for the Eureka Oxygen advanced upright vacuum cleaner. And its HEPA filtration system keeps the millions of allergens found in rugs and carpet from being blown back into the air in your home. This is very important for people with sensitive respiratory systems. and True HEPA filter make it the perfect upright vacuum cleaner for allergy sufferers. 1-Year Mfr. Warranty Plus Our 60-Day Unconditional Return Policy.