General description This replacement filter pack is designed specifically for Roomba Vacuum Cleaners of the 500 and 600 Series, ensuring a perfect fit and optimal performance. The filters are compatible with models including 536, 550, 551, 614, 620, 630, 650, 655, 660, 665, 671, 680, and 690. Technical specifications Color: Blue Material: Plastic Package Contents: 10 Filters, 1 Cleaning Brush Measurement allowed error: +/- 1-3 cm Installation Simply remove the old filter and snap the new one into place for easy installation. Usage It is recommended to replace the air filters every 2 to 3 months to maintain high working efficiency. A cleaning brush is included to help clean the filters for extended use.