BRUSH Mode. BRUSH + FLOSS Mode.
Replacement Brush Heads for Waterpik Sonic-Fusion 2.0 Flossing Toothbrush ...
Replacement Brush Heads for WaterPik Sonic-Fusion 2.0 Flossing Toothbrush (SF...
Replacement Brush Heads for Waterpik Sonic-Fusion 2.0 Flossing Toothbrush (SF-03