Sonifresh via Amazon offers its Sonifresh Replacement Toothbrush Head 8-Pack for $6.75 with free shipping, via the below directions. That's slightly less than last week's mention, $8 off, and the lowest price we could find. They're compatible with a range of toothbrushes including Philips Sonicare FlexCare, EasyClean, HealthyWhite, and DiamondClean. Deal ends November 30. To get this price:
  1. View the Sonifresh Replacement Toothbrush Head 8-Pack for $14.99
  2. add it to your cart via Subscribe & Save
  3. apply coupon code "CVXPZYWV" for a final price of $6.75
Note: A 4-pack is also available for $5.40 with free shipping via Subscribe & Save and the same coupon. Remember to cancel your subscription after your order arrives to avoid being billed for subsequent shipments.