HEALTH SAFETY STANDARD: The bristles are made of ultra-soft nylon which is easy on your gum. One brush head will last for about 3 months under normal usage. - Oral B Vitality Precision Clean. - Oral B Vitality Sensitive.
The "20X Replacement Electric Toothbrush Heads Compatible Oral-B Toothbrush Head OZ" is a perfect fit for those looking to extend the lifespan of their Oral-B electric toothbrush and save money.
