Get a 12-Pack of Replacement Electric Toothbrush Heads with indicator bristles for $11.99 at Groupon Goods. They fit Oral B Vitality, Advance Power, Pro-Health Battery, Professional Care, and Triumph toothbrushes. The lowest price we found on comparable brand-name heads was $19.99 for 3, and for store-brand, $4.99 for 2, making this the lowest price for any 12 brush heads by $18. Shipping adds $2.99 for one set, or is free for 2 or more sets. Sales tax is charged in most states.