Hi S.*****, Yea it looks to be the same principle. Its hard to tell the size of the air hole in their commercial, but they do claim for indoor and outdoor potted plants of any/all varieties.
You get four hand blown glass thingy's for $15. Maybe I'll give them a shot just for review. If they don't work I'll get my carbide bit out and pop a slider and carb hole through the side and make some mini-bongs, HaHa. You can check out the 1:49 video on their page at:
Aqua Globes Plant Watering System - Water Globes