Amazon: Homgeek Water Flosser . $29.99

Amazon is offering this Homgeek Water Flosser for $29.99 shipped when you clip the $3 off coupon.
This water flosser helps to remove plaque and reduce gingivitis by cleaning between your teeth. It has ten water pressure settings and seven multifunctional tips. The water reservoir holds up to 600ml of water so you can floss for up to 90 seconds without stopping to refill. Even better, it includes a 1 year warranty!