HQRP Hepa Filter 4-Pack for Eureka HF-16 68115A 68115, AirSpeed Zuum AS5204A, AS5200, AirExcel NLS 5403A, NLS 5400A, AS5210, 5400 Series Upright Vacuum Cleaner Exhaust Cartridge Coaster HQRP&reg; Four Hepa Filters plus 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 Replacement; 2 weeks DOA replacement warranty!