General description High-quality replacement parts for the For 9590, 9990, and AI 10090 Revolution Ultra Power Home vacuum cleaners. This set includes essential components designed to enhance cleaning efficiency and maintain optimal performance. Technical specifications Material: Plastic Package Contents: 1 x roller brush, 3 x side brushes, 3 x HEPA filters, 3 x dust bags Measurement allowed error: +/- 1-3 cm Usage Regularly replace spare parts every 2 to 3 months for best performance. Side brushes are designed to adapt to various floor surfaces, effectively removing dust and larger debris. Filters fine dust to reduce allergens in the air.