The W DiamondClean brush head is perfect for those who want to go beyond deep cleaning to remove surface stains for a radiant, whiter smile. This brush head is also great for maintaining brightness between professional whitening treatments. Up to 7x more plaque removal than a manual toothbrush Diamond-shaped bristles give you 100% whiter teeth in 1 week Automatically selects optimal mode for ultimate results** Always know when to replace to always get an effective clean Tested to meet your oral health needs Dynamic cleaning action drives fluid between teeth Click-on design for simple brush head placement Suggested replacement time: 3 months Base Material: 100% Plastic Country of Origin: Imported