Replacement Brush Heads for WaterPik Sonic-Fusion 2.0 Flossing Toothbrush (SF-03/SF-04) and Sonic-Fusion Flossing Toothbrush (SF-01/SF-02),6 Count Black with Covers

Compatible Models:Compatible with all Water Pik Sonic-Fusion and Sonic-Fusion Professional Flossing Toothbrush models. Check your model number before purchasing（On the bottom of your device start with SF-01/SF-02/SF-03/SF-04）