Our replacement heads easy “Push On” toothbrush provide easy installation and removal. Fits Oral B rechargeable handles, except Oral-B’s sonic toothbrushes The bristles are made of ultra-soft nylon which is easy on your gum. One brush head will last for about 3 months under normal usage. Advanced bristle design for superior cleaning Each head has a removable colour coded ring. Please note these are NOT made by Oral B & Braun - Compatibility: Oral-B Professional - Care Series Oral-B Triumph Series Oral-B Tri - Zone Series Oral-B Advance - Power Series Oral B Vitality Precision Clean Oral B Vitality Sensitive Oral B Vitality White + Clean Oral-B Vitality Dual Clean see a full list of compatible models in the description below Not Campatible with: Oral B Vitality Sonic Oral B Cross Action Power Oral B Sonic Complete Oral B Pulsonic - Material: Ultra-soft Nylon - Bristle type: Soft bristle - Head Shape: Round - Compatible Models: Professional Care: 500, 550, 1000, 3000, 2000, 600 , 1000 ,3250, 5000, 5500, 6000, 6500, 7400, 7500, 7550, 7850, 7875, 8000, 8300, 8500, 8850, 8860, 8875, 8900, 8950, 3D Excel, Plak Control 3D Triumph Professional Care: 9000, 9100, 9400, 9425, 9450, 9475, 9500, 9900, 9910, 9930, 9950 Tri - Zone: 600,1000,3000,5000 Triumph: 5000 wireless Smart - Guide, 4000, Triumph 5000 incl. Smart Guide Smart Series: 4000, 4750, 5000, Smart - Series 4000 , Smart - Series 5000 with Smart - Guide Oral B Vitality Precision Clean Oral B Sensitive Clean Oral B White Clean Advance Power: 400, 450, 450TX, 800, 850, 900, 950, 950TX Plak Control: Duo, Travel, Duo Interclean: IC2522, ID2021, ID2025, ID2025T Pro Health: Precision Clean, Dual Clean Vitality: Precision Clean, Dual Clean, Tri - Zone, Sensitive, Floss Action , Pro white Pro-Health Precision Clean