https://www.amazon.com/GloFish-Gallon-Aquarium-Lights-Heater/dp/B013BXE1XO I think this is what you want.
Is it safe to use an Aquarium stand designed for a 29g tank with my 20g tank?
This is the stand: http://www.petco.com/shop/en/petcostore/product/fish/fish-tank-stands-canopies/petco-brooklyn-metal-tank-stand
And this is my aquarium:
https://www.amazon.com/Tetra-Aquarium-Kit-gallon-Standard/dp/B013BXE1XO?th=1
Aquarium dimensions are 24.2" L x 12.4" W x 16.7" H