Blue indicator bristles will fade so you know when to replace your brush.
Philips Sonicare DiamondClean replacement toothbrush heads, HX6064/65, White ...
Philips Sonicare W2 Replacement Toothbrush Heads, HX6064, black x8
4 Pack Phillips Sonicare Replacement Toothbrush Heads HX6064/65
4 Pack Philips Sonicare W DiamondClean Replacement Toothbrush Heads HX6064/65
Phillips Sonicare DiamondClean Replacement Toothbrush Heads 2 Packs White
Philips Sonicare DiamondClean Replacement Toothbrush Heads - 7 Count White
