About this item Superior Clean: Gentle on gums and hard on plaque, our electrical toothbrush head bristles are ergonomically designed for an effective and pleasurable brushing experience. Perfect Fit: Our toothbrush head refills have compatibility with all Oral B toothbrushes (including Professional Care, Triumph, Advance Power, Vitality Precision Clean, Sensitive, White + Clean, Dual Clean Series) except Oral-B Pulsonic and iO. Easy to Install: Featuring a click-and-go design, our toothbrush heads are clean to replace. Just pop off the previous head and click on the hot one. Before shipment, there could be a strict QC to make certain work properly. It is sturdy and never easy to fall off that make sure you will get brushing experience. Value Pack: Complete with interchangeable color-coded rings for easy identification, our electric toothbrush heads assist you select up your own brush heads so that you can proportion with your family. Smart Design: Dentists put forward changing your toothbrush every single 3 months. With blue indicator bristles, you'd know when it's time to substitute your brush heads."