General description Brand new and high quality replacement parts for Ecovacs N8, N8 Pro, T8, T8 AIVI, and T9 vacuum cleaners. Made of high-strength and environmentally friendly materials, these accessories are easy to install and help maintain the cleaning performance of your vacuum. The HEPA filter effectively reduces the penetration of dust, pollen, and other allergens into the air you breathe. Technical specifications Material: Plastic Color: As shown Package Contents: 1 x Rolling Brush, 6 x Side Brushes, 3 x Filters, 4 x Cleaning Cloths, 4 x Dust Bags Measurement allowed error: +/- 1-3 cm Usage It is suggested to replace the filters every 1 to 2 months to ensure optimal performance.