General description HEPA Filters Replacement for Combo J7+ Robot Vacuum Cleaner are made from new, high-quality materials that ensure compatibility and performance. These clean accessories help maintain your robot vacuum's efficiency while reducing the infiltration of dust, pollen, and other allergens into the air. Technical specifications Material: Plastic Package Contents: 6 x filters, 1 x cleaning brush Measurement allowed error: +/- 1-3 cm Installation Accessory contents are easily removed and replaced as part of routine maintenance. Usage To achieve the best cleaning and filtering effect, replace cleaning accessories every 2-3 months based on usage frequency. The filter functions to trap dust, dirt, and other impurities, keeping the robot clean and operational. It also prevents dust and dirt from entering the robot's motors, extending its lifespan. Other information