REF 7466185
Oral B Precision Clean Refill x4 is a refill compatible with all Oral-B models, except Oral B iO and Pulsonic. With CleanMaximiser technology, the bristles change colour when it’s time to change them, providing exceptional cleaning. They are gentle on teeth and gums and help whiten teeth. You should change the head every 3 months or whenever it becomes visibly damaged.