The most widely recognized and trusted name in AC power conditioning is proud to introduce the PL-PRO II, PL-PRO D II and PM-PRO II power conditioners, featuring Furman's revolutionary SMP+ technology. Furman's Series Multi-stage Protection (SMP+) circuit also features our exclusive Linear Filter Technology (LiFT) coupled with Extreme Voltage Shutdown (EVS) and a high current TVZ-MOV. Together, these technologies comprise what is, without question, the world's most advanced and comprehensive transient voltage surge suppressor.