General description Detachable Roller Brush for S6/S7Pro is designed for high-quality performance, made from durable materials. It effectively filters fine dust, reducing the penetration of dust, pollen, and other allergens into the air you breathe. Regular maintenance is essential for optimal performance. Technical specifications Material: Plastic Package Contents: 2 x roller brush, 6 x HEPA filters Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace the spare parts every 2 to 3 months to maintain the machine's best performance. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.