iO Series Replacement Heads Compatible with Oral B iO 2/3/4/5/6/7/8/9/10 Electric Toothbrush, Premium Cleaning Refills Engineered for Maximum Plaque Battle and Long-Term Gum Health

Product features

1. Compatibility – Our io replacement head is compatible with Oral-B IO Series 3 4 5 6 7 8 9 electric toothbrushes, and also suitable for Ultimate Clean and Gentle Care io series brush heads
2. Round Brush Head Precision – Round design wraps around each tooth for thorough plaque removal while gently massaging gums—no irritation, just a deeper clean
3. Advanced Bristle Technology – Premium bristles are meticulously tapered to flex and glide between teeth, sweeping away stubborn plaque without scratching enamel. The result? A smoother, brighter smile with every use
4. Fade-to-White Alert: No need to remember when you last changed—the bristles shift from blue to white over time, telling you exactly when it's time for a fresh head. Swap every 3 months for maximum cleaning power
5. Individually Sealed & Hygienic – Each head comes in its own sterile, dust-proof package. Perfect for home storage or travel—grab a fresh, clean head anytime, anywhere