The Oclean Professional Clean P1C5 replacement brush heads are designed to keep your oral hygiene routine effective by ensuring a deep and gentle plaque removal along the gumline. Each pack contains two black brush heads crafted from FDA-approved oral safe materials, featuring high-quality DuPont Diamond bristles that provide a balanced cleaning experience for adults. These oval-shaped heads include a delicate tongue cleaner to help you maintain fresher breath during your daily routine. Because they are compatible with all Oclean electric toothbrush handles, you can easily swap them out every three months to maintain optimal brushing performance.