Compatible with: The accessory kit is compatible with for T20 Omni / T20e Omni robot vacuum cleaners. Please check your device model before ordering. This is not-original product, but of quality and the same size as the spare parts. [Vacuum cleaner bag]: The dust bag has good sealing performance and is made of activated carbon, melt-blown fiber and non-woven fabric. It can block 99% of dust, mites and other allergenic particles and eliminate the generated odor. [Main Brush]: The main brush is made of rubber with excellent cleaning power and long service life, and can easily remove tangled hair. The rubber side brush is and does not deform, effectively cleaning hidden corners. Filter and cleaning pads: filter with activated carbon layer filters 99.5% of dust, pollen and other allergenic particles and absorbs odors. Reusable microfiber cloths are super absorbent and can easily remove stains from your floors. Recommendations: To keep your robot vacuum operating optimally, we recommend