Pures via Amazon offers the Pures Sonic Rechargeable Electric Toothbrush with Four Replacement Heads in Black for $35.99. Coupon code VP445DRG cuts that to $17.99. With free shipping, that's $18 off and the lowest price we could find. It features five modes: daily clean, gum care, sensitive, whitening, and deep clean. Deal ends March 31.

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