[Compatible Models] Replacement accessories are specially designed for N10 series (N10/N10 plus) and OZMO N8 series (N8/N8+/N8 plus/N8 pro/N8 pro+/N8 ), T8 series. (T8/T8+/T8 plus/T8 Max/T8 Power/T8 Pure) and T9/T9+/T9 plus. Please confirm your device model before ordering. Truly an economical choice for your vacuum cleaner. [High Filtration Efficiency] HEPA filters are equipped with more powerful capabilities to filter up to 99.5% of dirt, pollen, small dust particles and substances. You can effectively protect your vacuum cleaner and prevent the air we breathe from being polluted. [Effectively remove stubborn stains] Thanks to its unique design, the main brush and side brushes can penetrate deep into the crevices of the floor to remove dust and reduce noise. The mops are made of high-quality materials, soft, good absorption and retention capacity, and can effectively remove stubborn stains. [Recommended replacement frequency] Depending on usage: Main brush: Every 6-12 months; Side