2 full-size replacement flossing toothbrush heads for Sonic-Fusion™. Brush and floss at the same time using the Waterpik™ Sonic-Fusion™ flossing
Waterpik SFFB-2EW Sonic Fusion Full Size Flossing Brush Head White
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Waterpik SFFB-2EW Sonic-Fusion Full Size Replacement Brush Head - White 2 pack
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Waterpik SFFB-2EW Sonic Fusion Full Size Flossing Brush Head White