The replacement filter and brush fit with for all robot vacuum cleaner including for M201 / M500 / 501 / T700 The are easily eliminated and altered as part of usual maintenance. Note: It's larger to change the each 2-3 months to keep the vacuum cleaner on the very best operating situation Material:plastic colour:As proven Package Contents: four * aspect brushes 4 * filters 1 * cleansing brush Only the above equipment content, other item should not included. Note: Light and assorted reveals could cause the colour of the item in the photo a bit assorted from the genuine thing. The size allowed error is +/- 1-3cm.