Keep your teeth and gums healthy with the Oral-B Genuine Cross Action Replacement Brush Heads. These refills are designed to fit most Oral-B electric toothbrush handles, providing a comfortable and effective clean every time. The unique Cross Action bristle design reaches deep between teeth to remove plaque and promote gum health. With their dentist-recommended round shape, these brush heads are perfect for a thorough cleaning and gentle on the gums. Ensure your Oral-B electric toothbrush is always working at its best by regularly replacing the brush heads with these genuine Cross Action refills.