Oral-B 3d White Power Toothbrush – Link 
Amazon currently has this $6.13. Clip the $2 coupon below the price and checkout via Subscribe & Save for a final total of only $3.82 shipped!
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- Cleans and Whitens for naturally whiter teeth. Whitens teeth by removing surface stains.
- Rubberized Bristles: Help to gently polish away stains.
- Action Cup Brushhead: Hugs each tooth and helps hold toothpaste for effective stain removal.
- Structured Bristles: Designed to break up plaque and reach between teeth.