600 RPM INTERCHANGEABLE BRUSH HEAD 600 RPM INTERCHANGEABLE BRUSH HEAD More and different cleaning solution. 600 RPM brush head, perfect for cleaning with microfiber and diamond pads. Applied to: CT71 CT51 Benefits Multifunctionality – it ensures better cleaning solutions. Microfibre pad – You can save up to 80% of water and cleanser. Diamond pad – Ideal for deep cleaning and polishing of marble floors and ceramic tiles.