Oral B io series replacement heads(8 pack)

Say goodbye to guesswork and get back to 100% cleaner teeth with Oral-B's unique dentist-inspired round brush head! With iO refill technology, your brush head knows when it's time for a change. Watch the magic unfold as the color transforms from vibrant blue to pristine white, signaling when to it's time to change and ensuring a fresh and effective clean every single time. The iO collection is Oral-B's best technology. These replacement brush heads contain high density dentist-inspired extra soft bristles for a gentle but effective clean. Optimized dual-length bristle patterns adapt to the curves of the teeth and gums but are extra soft for maximum comfort. Precision fit with a gentle clean. Only compatible with Oral-B iO Electric Toothbrush Handles. Dentists recommend changing your brush head every 3 months for best results. You will receive 8 Oral-B iO Gentle Care Replacement Brush Heads; 4 Black and 4 White. Best of all, it is brought to you by Oral-B-the #1 brand used by dentists