Good Ideas Wizard Elevated Garden. Self-Watering Elevated Garden, Holds Over 10 Gallons Of Water, Includes Potting Gravel For Self-Draining Functionality, Made Of Polyethylene In The USA.
The planter is available from Walmart and Menards.
Here is self-watering raised bed from the same company:
Here is an alternative: Keter Elevated Garden Bed/Plant Box