Replacement Toothbrush HeadsCompatible for HX6730/HX6721/HX3216 Bright White Brush(16pcs)

- Compatibility With HX6730/HX6721/HX3216：Designed to fit HX6730, HX6721, and HX3216 models; aligns with the structural specifications of these toothbrush units, ensuring seamless installation and stable operation without additional adjustments.? - Bright White Functionality：Integrates bright white capabilities; supports teeth brightening efforts through its specialized bristle design, helping to address surface stains and maintain a refreshed appearance of teeth with regular use.? - Replacement Toothbrush Head Design：Crafted as a replacement option for existing toothbrush heads; offers a convenient solution for updating worn brush heads, ensuring continuous maintenance of oral care routines.? - Optimized Bristle Configuration：Features a tailored bristle setup; balances softness and effectiveness to reach hard-to-clean areas, supporting thorough plaque removal while being gentle on gum tissue during brushing.? - Oral Care Compatibility：Tailored for daily oral care use; complements the functionality of compatible toothbrush models, providing consistent performance to support regular teeth cleaning and maintenance needs.?