(1) Eureka HF2 Hepa Pleated Filter HF-2 Eureka Upright Ultra Smart, Boss, Omega, UltraSmart Vac Cyclonic, Whirlwind Vacuum cleaners, 61111, 61495, 61111A, 61111B, 61111C Part No # 61111, 61495, 61111A, 61111B, 61111C