Scrub and remove debris from pool floor, walls, corners and steps Powerful scrubbing action: Cyclonic brushes rotate continuously while maintaining contact with pool surfaces Replace Zodiac R0714400 Cyclonic Scrub Brushes Compatible with Zodiac MX8 Elite/MX6 Elite pool cleaners, also compatible with MX8/MX6 models if you replace the R0525000 Cyclonic Impeller with the R0714300 Cyclonic Impeller Compatible with MX8/MX6 models only if you replace the R0525000 Cyclonic Impeller with the R0714300 Cyclonic Impeller