Electric Toothbrush Head Refills - 2 Pack - MOON ELECTRIC BRUSH REPLC HEADS 22 2CTBenefitsPairs with Moon Electric ToothbrushBristles last 4x longer than natural toothbrush bristlesOne with black bristles and one with white bristlesTapered, ultra-fine bristles that reach deeper for a better clean and whiter teeth2-Pack interchangeable brush head refillFormulated WithoutParabensArtificial FlavorsSLS/SLESIncludes2 Interchangeable brush heads (white and black) featuring cutting-edge, ultra-strong bristles with a superfine feel. - Electric Toothbrush Head Refills - 2 Pack