?Compatible Model?Compatible With Shark Iq Robot Av751 Av752 Av753 R85 Rv850 Rv850Brn Rv850Wv Rv851Wv S87 Rv700_N Rv700_N Rv720_N Rv750_N Vacuum. (Please Confirm Your Model Before Purchg) | | ?Easy To Install? Snap Into Place For Quick And Effortless Routine Replacement. No Tools Required, Easy To Replace The Side Brush. | | ?Suggest A Reminder?To Keep Your Robot Running At Peak Performance, The Brushes Are Recommended To Be Replaced Every 2-3 Months | | ?Package Included:? 6 Side Brush | | ?After Services?:If You Have Any Quality Or Other Problems During The Purchase Process,