Eureka HF-5 HEPA Filters (2 Pack) 2 Premium HEPA Certified Exhaust Filters For Eureka HF5, HF6 or Part Numbers; 61830, 61830A, 61830B-2 61840. Designed To Fit Eureka Boss, Boss Genesis II, Genesis, Signature Genesis, Litespeed, Whirlwind, upright vacuums. Works With Eureka Model Numbers; 5812A, 5814AZ, 5853A, 5892AVZ, 5902AVZ, 5902AVZ, 5849A, 5851AV, 5852AV, 5856AV, 5856BV, 5857AZ, 5860A, 5860AVH, and 5813AV. Eureka Recommends Replacing These Filters Every 6-12 Months, Especially in Homes With Breathing Issues Such as Asthma, or Allergies These HEPA Certified Eureka HF-5 Filters Capture 99.97% of all Airborne Allergens, Including Mold Spores, Pollen, Pet Dander, Dust Mites, and More.