Perfect: For maintaining a healthy dental hygiene. These heads should be changed every few months. Product: Make your teeth sparkle with these fantastic 4 pack of Oral B toothbrush heads! Additional: Changing heads regularly aims to promote healthy teeth and gums! Quantity: Pack of 4. Features: Different colour identifier rings per head. Options: Choose from the Standard Heads, Floss Action Heads or the Cross Action Heads! | 4 Pack Of Oral B Compatible Toothbrush Heads | Wowcher