• High-Quality Material :Crafted from sturdy plastic, those brush heads ensure long-lasting performance and advanced quality. • Versatile Compatibility :Designed to fit Oral-B Electric Toothbrushes, those heads present a versatile answer for changing your outdated or damaged brushes. • Advanced Power :With their advanced strength feature, these brush heads present an effective and deep cleansing experience, editing your oral health. • Precision Clean :The precision clean attribute guarantees each corner and cranny of your teeth is reached, lowering the chance of oral issues. • Pro Health Design :The professional fitness design of these brush heads provides a complete dental care experience, promoting oral hygiene and health. • Easy Installation :These brush heads are clean to install, making them a handy alternative possibility on your Oral-B toothbrush. Material composition: Pom + DuPont bristle 612 + 304 stainless-steel Applicable electric toothbrush handle model: well matched for Braun D4510 D12013 D12013W D12523 D17525 D18 D19523 D19545 D20523 D20545OC18 D8011 D9525 D9511 D20 D25 D30 D32 type4739 3709 (non-sonic brush head) 3728 3738 3743757 and Braun Oral-B Ole B electrical toothbrush type4731 4728 4739 3709 3728 3738 POINTS FOR ATTENTION: 1 dental advice: Brush head use after three months must be replaced. 2 placement in wet environment, it's easy to produce bacteria and simple to enter the human body during the gums. three bristle hardness changes, cleansing performance decreases.