Compatible with ALL Philips Sonicare handles, including DiamondClean and ProtectiveClean. Removes up to 7 x more plaque than a manual toothbrush. Features densely-packed, high-quality tufts to effectively remove plaque. BrushSync technology ensuring compatibility with a BrushSync enabled Philips Sonicare electric toothbrush. Fits any Philips Sonicare click on toothbrush handles.