The Philips Sonicare Optimal White Brush Heads have a stain-removal pad, made from densely-packed diamond-shaped bristles which removes surface stains caused by food and drink. When used with a compatible brushsync enabled sonicare toothbrush our smart brush head replacement reminder will alert you when the brush head needs replacing for effective cleaning, every time. Model number: hx6064/12. Pack of 4. Compatible with all Philips handles. Manufacturer’s 1 year guarantee. EAN: 8710103850380.