Compatible with Roomba vacuum cleaner 600 series. For example, 600, 620, 630, 650, 660 · Clean and replace the irobot roomba brushes and filters to let your domestic robot run at its best performance. For best results, the filter should be replaced every 2-3 months. Click on · How to clean the side brush: 1. Remove the screw with a small screwdriver. 2. Remove the brush, clean the brush and brush column, and reinstall the brush. Click on · How to clean the hard brush: 1. Remove the two tabs and remove the brush guard. 2. Remove and clean the brush. 3. Remove and clean the hair on the yellow brush bearing. 4. Remove and clean the brush cover. 5. Using the included cleaning tool, pull the hair onto the brush, and then easily remove the hair from the brush. Click on · What you will get: 3 x filter; 3 x 3 arm brushes; 1 x bristles; flexible brush beating; 2 x cleaning tools Please note: It is best to replace spare parts every 1 to 2 months to maintain the best performance of the household robot. ·Note that iRobot Roomba series is 600 series DLD brand vacuum cleaner accessories-high quality, long life warranty We are a company specializing in the production and sale of vacuum cleaner accessories. We have complete product testing engineering facilities High quality-DLD vacuum cleaner parts are designed to meet or exceed the original quality; it has undergone strict compatibility and service life tests.