The replacement parts kit is compatible with for RoboVac 11S, RoboVac 15C, RoboVac 30, RoboVac 30C, RoboVac 2, RoboVac 35C Vacuum Cleaner.This Roller Brush Made of latest high-strength materials,Resistant, Delicate and soft,Captures 9999% of particles ejected while cleaning, including particles as small as 03 microns, expels non-allergenic .The roller brush is close to the ground, move dust and hair into the groove with high speed rotation,A Quiet Clean rolling brush design significantly reduces vacuuming noise, leaving a quiet space for your family and activities.Regular replacement roller brushes will help to maximize cleaning performance,Especially in home with pets,recommend to replace the roller brush every 2-3 months.Colour:blueMaterial:plasticPackage Contents:3 * Roller brushesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.