General description Brand new and high quality replacement parts for iRobot Roomba i7, i7+, E5, and E6 Robot 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. They effectively reduce the penetration of dust, pollen, and other allergens into the air you breathe. Technical specifications Material: Plastic Package Contents: 4 rollers, 6 side brushes, 6 HEPA filters, 1 cleaning brush Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace the filters every 1 to 2 months for optimal performance. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.