This bundle of 16 generic Oral-B compatible toothbrush heads drops from $49.99 to $15.49 at Buy.com. Budget shipping is free. These toothbrush heads fit rotating Oral-B holders including the Vitality, Triumph, Professional Care, and Advanced Power models. That's the lowest shipped price we could find on 16 generic brush heads by $7.49. It's also about $60 less than buying 16 brand-name replacement heads. There is no sales tax (except in VA).