Source & Tour Replacement Toothbrush Heads

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Give your toothbrush new life with RADIUS toothbrush replacement heads - the sustainable, interchangeable refills designed for SOURCE™ and TOUR™ Travel Brush handles. With a wide, gum-massaging head and long neck for deep reach, these heads deliver our signature clean while reducing toothbrush waste by an incredible 93%. These are replacement heads only and must be used with a compatible RADIUS handle. Show more