12PCS iO Replacement Heads Compatible with Oral B iO,iO Series Electric Toothbrush Heads Compatible with Oral B iO 2/3/4/5/6/7/8/9/10,Gentle-on-Gums Design for a Pleasantly Smooth Brushing Experience

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

More features

• Wide Compatibility – These replacement brush heads are designed for Oral B io Series 3, 4, 5, 6, 7, 8, 9, and 10 electric toothbrushes, ensuring a perfect fit and optimal performance
• Deep-Cleaning Bristle Design – Thoughtfully engineered with medium-firm bristles, these brush heads effectively target plaque buildup and reach between teeth for a thorough clean, helping maintain a brighter smile with regular use
• Built for Strength & Longevity – Engineered with densely packed bristles and a sturdy neck construction that resists flexing and wear, these brush heads maintain their shape and performance over extended use without bristle fallout
• Hygienic Storage – Each brush head comes with a dust cover and is individually sealed for maximum hygiene, making storage and travel convenient
• Smart Replacement Indicator – Features fade-out reminder bristles that gradually lighten with daily brushing. When the color nearly disappears—typically after about three months of regular use—it’s a clear signal to switch to a fresh head for consistent cleaning results