Features: Professional toothbrush heads, help good care your dental health. Pack of 4/8/12 Replacement Brush Heads, Compatible with Oral B Braun Electric Toothbrus. The Sensitive toothbrush head is designed with extra soft bristles, ideal for cleaning around sensitive and inflamed areas, and leaving you with a long-lasting fresh feeling. Unique bristles penetrate deep between teeth for more effective cleaning. Compatible with the entire lineup of Oral-B rechargeable handles, besides Oral-B sonic toothbrushes, Compatible with Vitality, Triumph, Genius, Professional, and More. Easy to install, Just remove your old head and snap the new one on, easily and smoothly.Specification: Type: Replacement Toothbrush Heads Material: ABS & Nylon Bristles Color: White&Blue Quantity: 4pcs/8pcs/12pcs(Optional) Age Group: Adults Compatible with: D4510 D12013 D12013W D12523 D17525 D18 D19523 D19545 D20523 D20545 OC18 OC20 D8011 D9525 D9511 D25 D30 D32 Type4739 3709 from 3728 to 3738 Package Size: 14*12*2cm / 5.5*4.7*0.8in Package Weight: 25g / 0.9ozPackage List: 4/8/12 * Replacement Toothbrush Heads