AquafreshSorry, out-of-stock again! Request a free sample of Aquafresh Extreme Clean Pure Breath Fluoride Toothpaste from Walmart. Click on the green “Get a Free Sample” button. Your free sample should arrive within about 4 weeks. Thanks goes to Freebie Shark for sharing! Find the current Walmart samples here. Remember that most free sample pages on Walmart’s website require the free Adobe Flash Player.