[PERFECT FIT] Replacement parts accessories compatible with for Q5 MAX+ / Q5 Duoroller+ Robot Vacuum. This set works as great as the old , with precision fit and easy installation. [DISPOABLE VACUUM BAG] Made of high quality melt-blown fiber filter layer and non-woven fabric, it can effectively filter out 99% of pollutants. The large capacity traps debris, hair, and dust and keeps the floor clean as new. The disposable dust bag traps dust, dirt, and pet hair for up to 8 weeks, making cleaning easier. [EASY TO MAINTAIN] The removable main brush can be adjusted to rotate and sweep the dust into the dust bag with strong and long-lasting cleaning power. The side brushes reach deep into corners and edges to remove even more stains and dust. HEPA filter is made of good eco-friendly materials, delicate and delicate, and matches the equipment, to optimal performance and a healthier lifestyle. It is recommended that you replace spare parts every 2 to 3 months depending on the frequency of use