Oral-B Genuine 3D White Replacement Toothbrush Heads, Refills for Electric Toothbrush, Polishes to Remove Stains for Whiter Teeth, Pack of 4Whiter teeth from day 1: Polishing cup whitens teeth starting from day 1 by removing surface stains Round head clean better: Bristles clean on and between the tooth whilst polishing cup whitens it Up to 1 Year supply: Original brush head fades indicating when to change; typically change required after 3 months for optimal performance Compatible: Toothbrush is compatible with all genuine Oral B electric toothbrushes Oral B the #1 brand: Used by