The Eureka HF-3 Hepa Filters 61500A are designed to efficiently filter out allergens and particles from your vacuum cleaner, ensuring a cleaner and healthier environment. With a pack of 2 filters, these filters are compatible with Eureka vacuum cleaners and are designed to be used with the HF-3 model. The universal compatibility makes it easy to use these filters with various Eureka models, providing a convenient solution for maintaining a spotless home.