Feel squeaky fresh with a 4-Piece Oral B Compatible Electric Toothbrush Head Set High quality replacement Oral-B compatible toothbrush heads  Soft, round DuPont bristles for an extra smooth brush  Set comes with 4 x replaceable heads  It is recommended to replace brush heads every 3 months  Perfect accomplice with your electric toothbrush  Save 70% on a 4-Piece Oral B Compatible Electric Toothbrush Head Set for 2.99 pounds