Features:[Pack of 8/12/16/20 Replacement Brush Heads for Family Set & Value Purchase]Including 8/12/16/20 pcs affordable pack toothbrush heads so that you can save more and replace them at any time. There are 4 color rings to distinguish them and allow you to pick up your brush head so that you can share it with your family.[Great Fit for Various Models]Genkent brush head is compatible with Oral-B electric toothbrush models (including Vitality Precision Clean, Professional Care, Triumph, White + Clean, Advance Power, Sensitive and Dual Clean Series) except Vitality Sonic, Sonic Complete, Pulsonic, CrossAction Power, and iO.[High Quality & Use with Confidence]Genkent brush heads adopt soft and flexible Dupont bristles that are durable and not easy to fall off to make sure you will get a superior brushing experience.[Advanced Bristle System for Superior Clean]Genkent brush head is designed with precisely angled bristles that can reach deep between teeth cleaning around and removing more plaque along the gum line and in between teeth than a manual toothbrush.[Easy to Install & Easy Use]Just pull your old head and snap the new one on, easily and smoothly. Note: Please press the head during installation to confirm the replacement toothbrush head is fixed.Note:Our toothbrush heads are NOT compatible with Vitality Sonic, Sonic Complete, Pulsonic, CrossAction Power, and iO.