Made of high quality materials, more durable Captures 99% of mold, pollen, dust mites and other allergens, etc., the pleated design allows for greater filter coverage without affecting suction performance. Uniquely designed brushes to adapt to different floor surfaces and remove everything from small dust to large deposits. As part of normal maintenance, it can be easily removed and replaced It is best to replace the spare parts every 2 to 3 months to keep the machine running at its best performance Compatibility: for W2 all-in-one self-cleaning and emptying robot vacuum cleaner Note: Some places on the physical accessories are random or slightly different in color, please don't worry! Color: Photo color Material: plastic Package Contents: 2 x Roller 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 a little different from the real thing. The measurement allowed error is +/- 1-3 cm.