No matter how you feel about the current leader of the free world on this here Presidents Day, we can all agree on this: There's no better way to honor George Washington, Abe Lincoln, Barack Obama, and company than by taking advantage of some stellar holiday sales. (After all, what's more inherently American than some good old-fashioned consumerism')For a limited time, you can take an extra 15% off the following already-discounted household items in the Mashable Shop when you enter the coupon code PREZDAY15 at checkout:1. Aquasonic PRO Toothbrush (with accessories)Plaque and odor-producing germs don't stand a chance against the Aquasonic PRO whitening toothbrush, which runs at 40,000 vibrations per minute and features four different working modes: clean, soft, whiten, and massage. Each ultrasonic toothbrush comes with six adaptive brush heads, a wireless charging glass (which doubles as a rinsing glass), and a convenient travel case. It's their most advanced toothbrush yet. Read more...More about Home, Presidents Day, Mashable Shopping, Shopping Stackcommerce, and Lifestyle Click here to read full news..