Not sure if I can see how a small unit can clean the system but it might not hurt to try
A $250 Power Conditioner?
Howard reviews the Puron, which is a small AC power conditioner ($250 USD) "plug" that is distributed by Vera-Fi Audio. It’s said to cleanse the electronic circuit that feeds and audio system. Many tweaks cost a pretty penny for little or no performance increase. Is that the case here?