Shunyata power-conditioning products useful in hospitals too.

CKKeung

Shunyata power-conditioning & filtering products are useful in hospitals in USA.
Interference from the powerlines to medical equipment is markedly reduced.
http://www.shunyata.com/our-prod ... medical-procedure-2

https://youtu.be/gY_g2Txqmoc

ThomasLi@FB

I use PS Audio Ultimate Outlet to clean the electricity supplying to my cone beam CT machine for 6 years now. The image is better with the filter on.