HQRP HEPA Filter for Eureka Clean Living 3281BZ 3281AZ / WhirlWind Plus 3282AVZ Upright Vacuum Coaster HQRP HEPA Dust Cup Filter Replacement; This filter is H13 filtration class and retains 99.99% of particles down to 0.3 micron. Compatible with Original filter; 2 weeks DOA replacement warranty!