Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si The replacement parts kit is with for RoboVac 11S, RoboVac 15C, RoboVac 30, RoboVac 30C, RoboVac 2, RoboVac 35C Vacuum . This Brush Made of latest high-strength materials,Resistant, Delicate and soft,Captures 99.99% of particles ejected while cleaning, including particles as small as 0.3 microns, expels non-allergenic . The brush is to the ground, move dust and hair into the groove with high speed ,A Quiet Clean rolling brush design significantly reduces vacuuming noise, leaving a quiet space for your family and activities. Regular replacement brushes will help to maximize cleaning performance,Especially in home with pets,recommend to replace the brush 2-3 months. Colour:blue Material:plastic Package Contents: 3 * brushes Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.