Model Number: HX9992/42. 📦 What's Included in the Box (HX9992/42). 1 x DiamondClean Prestige 9900 Handle. 1 x Prestige USB-C Travel Case. All-in-One Brush Head: The A3 Premium All-in-One brush head provides plaque removal, stain removal, and gum care in one head.
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