General description Replacement filter set for the Cordless Vacuum Cleaner S15, made from new, high-quality materials. These filters are designed to maintain optimal performance of your home robot while effectively reducing dust, pollen, and other allergens in the air. Technical specifications Material: Plastic Package Contents: 4 x Pre-filter, 2 x Post-filter, 1 x Cleaning brush Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtration effect, it is recommended to replace the cleaning accessories every 2-3 months based on usage frequency. 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.