Braun Oral-B Replacement Brush Heads 4 Whitening Brush Heads, New, Unopened, Genuine Product [With Replacement Color Signal] [Package has some damage. Contents are perfectly fine. Please refer to the photos.] Whitening rubber cup removes stains ・X-Filaments Each bristle of the patented X-shaped brush head thoroughly captures plaque even from the fine grooves on the tooth surface! ・Replacement Color Signal... Recommended to replace the brush head every 3 months for optimal brushing [No price reduction.]