These oral b replacement heads are suitable for all Braun electric toothbrushes with round head rotation: D4510 D12013 D12013W D12523 D17525 D18 D19523 D19545 D20523 D20545 OC18 D8011 D9525 D9511 D20 D25 D30 D32 type4739 3709 (non-sonic brush head) 3728 3738 3744 3757 and Braun Oral -B Oral B electric toothbrush type 4731 4728 4739 3709 3728 3738 1000 type 3000 type 5000 type 8000 type 8850 8900 etc. Color: White Number of Pieces: 8 Age Range (Description): Adult