The Electrolux UltimateHome 900 Performance Kit is a genuine maintenance filter set designed to keep compatible Electrolux cordless vacuum cleaners operating at peak performance. The kit provides a complete 5-step filtration system, ensuring efficient dust separation and cleaner air output during use. It includes a HEPA E12 fine dust filter and emission pre-filters, which capture microscopic particles, allergens, and household dust. Regular replacement helps maintain strong suction power, protects the motor, and ensures long-lasting vacuum efficiency.