Compatible models: just like the accent set, this replacement accent set is specially designed for Roborock S8 Pro Ultra vacuum cleaner. Please verify your mechanical device mannequin before ordering. High filtration efficiency: the dirt bag has a four-layer filter, which effectively filters out 99% of dust debris and allergens as much as 2 μm. The HEPA filters are equipped with more potent purposes to clear out as much as 99% of dirt, pollen, small filth particles and substances. You can efficiently preserve for Dreame vacuum cleaner and forestall the air we breathe from being dirty. Effectively gets rid of cussed stains: Due to the original design, the facet brushes can penetrate deep into floor gaps to remove dust and keep the noise level low. The new DuoRoller with double rubber brushes reinforces the suction effect, efficiently removes dirt, reduces tangles and sweeps hair with ease. The wipes are manufactured from microfibre material, which is delicate and may effectively remove stubborn stains. Based on usage: Main brush: Every 6~12 months; Side brush: Every 3~6 months; HEPA filter: every single 3~6 months; wipes: every single 1~3 months; Dust bag: Every 1~2 months Material: plastic colour: As proven Package Contents: 1 pair x Rolling Brush 1 x High Speed Cleaning Brush 6 x Side Brush 6 x Filter 6 x Dust Bag four x rag 1 x Cleaning Brush 1 x Screwdriver Only the above equipment content, varied merchandise should not included. Note: Light mirrored image and varied exhibits can cause the colour of the item within the photograph just a little diverse from the real thing. The measurement allowed error is +/- 1-3cm.