General description Replace the filter often to help make indoor air fresher. The side brush is designed to not scratch floors and furniture, making it easy to pick up hair and debris. Technical specifications Color: black + white Material: plastic Package Contents: 4 HEPA filters, 8 side brushes, 1 cleaning tool Measurement allowed error: +/- 1-3 cm Usage Keep your home clean by changing the filters frequently, ideally once or twice a month, depending on your usage. The filter helps reduce household odors.