Nienie Home via Amazon offers the 2Nice 600ml Water Flosser Oral Irrigator for $36.99. Coupon code "BGFAUYN4" drops it to $29.59. With free shipping, that's tied with last week's mention, $7 off, and the lowest price we could find. It includes seven tips, 10 pressure settings, and rotating nozzle. Deal ends August 15.