3 Philips Sonicare Adaptive Clean Brush Heads $20 + free shipping

on 2/19/2017
Amazon offers Prime members the Philips Sonicare Adaptive Clean Brush Head 3-Pack, model no. HX9043/64, for $20 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.48.) That's the lowest price we could find by $17. They purportedly remove about 10 times the plaque of manual brushes.

Of note, this item is expected to ship within one to two months.