Philips Sonicare ProResults Brush Heads (3-Pack) for $15.97 shipped after applying coupon code SNSIOSON and selecting Subscribe & Save to take an additional 15% off and receive free shipping. Here is a screenshot for your reference. You can cancel Subscribe & Save easily with a few quick clicks with no obligations after your order ships. This brush heads feature wider sweeping motion than Sonicare Elite, for increased tooth coverage. Most places have it for about $27.