Amazon offers the Oral-B 3D White Action Replacement Brush Head 2-Pack for $2.67 with free shipping via the directions below. That’s tied with our mention from last summer and about $3 less than you could expect to pay in local stores. They feature rubberized bristles with action cup brush heads. To get this deal:
Amazon takes an extra $1 off select Crest toothpaste and mouthwash via this clippable coupon. Even better, take an additional 5% off and bag free shipping when you check out via Subscribe & Save. After the combined discounts, we found items for a buck less than what you'd pay at local retail stores.
Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.