[Compatible Models] these 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. It is truly an economical choice for your vacuum cleaner. [High Filtration Efficiency]HEPA filters are equipped with stronger 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 is not polluted. [Effectively Removes Stubborn Stains]With its design, the main brush and side brushes can penetrate deep into the crevices of the floor to remove dust and reduce noise level. The mops are made of High-quality materials, which is soft, has good water absorption and retention capacity, and can effectively remove stubborn stains. [Recommended replacement frequency]Based on usage: Main brush: every 6 to 12