These Electrolux U bags fit all Electrolux upright vacuums including: Electrolux Discovery II, Electrolux Discovery III, Electrolux Epic 3500, Electrolux Genesis, Genesis LX, Genesis LXE, Lux 3000, Lux 4000, Lux 6000, Commercial uprights, and Prolux. These bags also fit ProTeam upright vacuums. This also fits all Aerus Lux Guardian upright vacuum cleaners.