HQRP Hepa Filter for Eureka HF-16 / 68115A / 68115/68715 Replacement Upright plus Coaster HQRP&reg; HEPA Filter Replacement + HQRP&reg; Coaster; This filter is H13 filtration class and retains 99.95% of particles down to 0.3 micron; Filters should be changed every 6 months; Compatible with Eureka HF-16 / 68115A / 68115 / 68715 Replacement Upright 2 weeks DOA replacement warranty!