Philips Sonicare 3100 Series Sonic Electric Toothbrush (Dual Pack) with Pressure Sensor and BrushSync Replacement Reminder, HX3675/13, White : Amazon.co.uk: Health & Personal Care
Philips Sonicare ProtectiveClean 4300 Remove up to 7xmore plaque-fast Shipping 8710103864004 | eBay
Philips Sonicare 3100 Series Sonic Electric Toothbrush with Pressure Sensor and BrushSync Replacement Reminder, HX3671/11, Sugar Rose : Amazon.co.uk: Health & Personal Care
Philips HX6511/50 Sonicare EasyClean : Amazon.co.uk: Health & Personal Care
Philips Sonicare HX6014/07 Pro Results Replacement Brush Heads, Pack of 4, White at John Lewis & Partners
Exact same product, but now removes more plaque through the power of advertisement : r/assholedesign