This is the ONE larger Brush only - if you are looking for the smaller brush that is sold as the complete Active Brush Assembly as part number 9995543-ASSY, 9995544-ASSY or 9995546-ASSY
GREY in color - if your cleaner is on the list below and originally had a Blue brush this will fit your cleaner as well
Fits the following Maytronics cleaners only: Active 10, Active 20, Active 30, Active 30i, S50, S200, S300, S300i