Aropey via Amazon offers its
Aropey Aromatherapy Cool Mist Essential Oil Diffuser for $13.99. Coupon code "Z5XRKT28" drops it to
$10.07. Plus, Prime members bag
free shipping. That's the lowest price we could find by $8. It features a 120ml water tank, LED lights, and automatic shut-off. Deal ends September 15.