What is the Diffrence in these AC Receptacels

I am woundering what is the diffrence in these expensive AC Receptacles, alot of work. I read that it is clearly a must but which one.

1- One has install them, it can be expensive to have install by electrician
2- Expensive units $40.00 to $150 each
3- how do you A/B them
4- Why so many different types
5- Burn in time

I see some are Hospital grade/ some Cryo'd/ some resistent to chemicals/ Oxygen/ WOW...

I see that Oyaide have like 4 or 5 types , interesting

some to pick from

1- Tesla Plex
2- Furutech - has many choices
3- Porter Port 20A
4- Oyaide - Has so many choices
5- Hubbel , some inexpensive

maybe someone can explain in lamen terms how to choose one.

I have Tube mono Amps, Tube Pre & PS, Loricraft PS for TT, and Meitner SACD/Dac

Thanks