Compatible models: just like the accessory set, these replacement accessories set are specially designed for X1 Omni/X1e Omni. Please confirm your device model before ordering. High filtration efficiency: the dust bag has a four-layer filter (non-woven fabric + 2 x melt-blown cloth + non-woven fabric), which effectively filters out 99% of dust particles and up to 2.5 µm. The 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 from being dirty. Effectively removes stubborn stains: Due to the design, the main brush and side brushes can penetrate deep into floor spaces to remove dust and keep the noise level low. The wipes are made of chenille material, which is soft, has good water absorption and water retention performance and can effectively remove stubborn stains. [Recommended replacement frequency]Based on use: main brush: every 6~12 months; side brush: every 3~6 months; HEPA filter: every 3~6 months; wipes: every 1~2 months; dust bag: follow the APP prompt. Colour:Photo Color Material:plastic Package Contents: 2 x roller brush 8 x side brush 4 x filter 8 x rag 3 x dust bag 1 x cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.