Genuine Eureka AA Eureka & WhirlWind Vacuum Bag - 3 pack (58236C) Nullify Imported Envirocare vacuum bags Fits the S4170, 4300, 4400, 4600, Eureka Self-propelled series 5180 upright vacuums and Whirlwind 4386AT (2910-8263) and 4478AT (2910-8156) Type AA bags 3 per pack, Eureka Brand Product Models 58236A and 58236C are with same functionality