vacuum brush for roborock g20s ultra g30 saros 10 saros 10r robot vacuum main brush red black PIM_CategoryId_2034 The back of the case you can hear both The back of the case can be folded which effectively protects the back of the phone from scratches and scuffs you keep your robot vacuum in top condition and ensure a home that is thoroughly cleaned with minimal effort The main brush from Roborock is designed for the Roborock Saros 10 10R Qrevo Edge Qrevo Curve