Use this coupon code at checkout: CP2JC7P4
Right now you can get the Portable USB Humidifier, 300ml for $19.99 on Amazon. Use coupon code: CP2JC7P4 to get an additional $8 off to make it $11.99. Shipping is free with Amazon Prime for orders over $25.
Amazon.com price frequently change and can happen at any time. Please refer to post date to see when deal was posted.