Are these good Mixing station containers?

[RaymondsWorlddd]

https://barndoorag.com/ace-roto-mold-20-gallon-upright-rectangle-flat-bottom-tank-sp0020-om/
I have a RSR350. Would these containers be good to use for a mixing station? Am I reading it right that they are fitted for 1/2” piping? Please and thank you!

 

[RaymondsWorlddd]

I may have just read a review on the site of someone using them for a mixing station lol. Just wanting to verify! It’s free shipping!!