I clean Replacement iRobot Roomba 690 650 Spinning Side Brushes, 8 Packs Replenishment Roomba Parts Fit with iRobot Roomba 671 680 770 780 790 595 560 550 Robotic Vacuum Fit Model: Compatible with for iRobot Roomba 600 690 650 630 620 700 760 770 780 790 510 530 532 535 540 545 550 552 560 562 570 580 581 582 585 595 ( 500&600&700 series) Attention: The screws should be fully tightened, otherwise the brush are easy to fall off. Package: 8 Packs replacement brushes for iRobot Roomba, and some screws. Advantages: These side brushes are easy to remove and replace as part of routine maintenance. To make your home more cleaner,more comfortable. Suggesrion: Keep your iRobot Roomba operating at peak performance.The replacement roomba vacuum parts should be replaced every 2 - 3 months. Roomba 500, Roomba 510, Roomba 530, Roomba 532, Roomba 535, Roomba 540, Roomba 550, Roomba 560, Roomba 562, Roomba 570, Roomba 580 Roomba 600Roomba 620Roomba 630Roomba 650 Roomba 660 Roomba 700, Roomba 760, Roomba 770,Roomba 780,Roomba 790 Made of high-strength and environmental protection material This is 3-armed white version side brush prevent early failure of the side brush motor from excessive power requirements to turn the 6 arm brush, more durable than the previous red models. Keep your iRobot Roomba operating at peak performance! The innovative Side brush for iRobot Roomba Professional Series Robots reaches deep into corners and edges to remove more dirt, dust and debris. Side brushes are easy to remove and replace as part of routine maintenance. 1.Loosen the side brush screw with a screw driver or coin and remove the side brush. 2.Remove the side brush. 3.Install the replacement side brush by firmly pressing it onto the side brush axle until you feel and hear it snap into place. The side brush should be securely attached to the robot without the screw in place. 4.Once the side brush is securely snapped on, replace the screw. Be careful not to over-tighten the screw. 8 Packs x Replacement Roomba Side brush-3 armed 1 Pack x Cleaning brush (Note: the cleaning brush can clean the vacuum clener&#039;s corner)