As one of our flagship toothbrush heads. Philips Sonicare SimplyClean is perfect for new or legacy Sonicare users who simply desire that authentic Sonicare cleaning experience at an unbelievable value. Contoured profile to naturally fit the shape of your teeth and to clean hard-to-reach areas Engineered to maximize sonic motion Works with any Philips Sonicare click-on toothbrush Each brush head has been quality tested for exceptional performance and durability Reminder bristles ensure your most effective clean Suggest replacement time: 3 months Base Material: 100% Plastic Country of Origin: Imported