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Philips Sonicare DiamondClean Prestige 9900 - Sonic Electric Toothbrush with 1x A3 Premium All-in-One Brush Head and Charging Case in Midnight Blue (Model HX9992/12)
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Best Philips Sonicare 9900 Prestige Electric Toothbrush Deals Online in the UK (10 Deals Found)

Last Updated - 18/09/2026 Sort By:
Top relevant Discount Price (lowest first)

10 Philips Sonicare 9900 Prestige Electric Toothbrush deals are available from: Amazon stores, starting from £237.45.
The biggest discount we found is 52% on Philips Sonicare Next-Generation DiamondClean 9900 Prestige Sonic Electric Toothbrush − with SenseIQ, Smart Coverage Feedback, Smart Pressure Feedback and 24 Settings, Storm Blue, HX9815/98 at Amazon.
The lowest price we found is £237.45 while the highest is £599.99.
Prices for the best Philips Sonicare 9900 Prestige Electric Toothbrush deals average at £340.21.
Last updated on September 18, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Philips Sonicare 9900 Prestige Electric Toothbrush.