The LG company is one of the most respected manufacturers in the world. In addition to the numerous other items they manufacture, LG manufactures a first rate VFD (Variable Frequency Drive). The LG VFD is marketed as the LSIS or LS Drive VFD.
You can purchase the LS VFD s online directly from this website, OR, use the contact page to talk with someone.
LG VFD s are now LS Drives.. inexpensive, and in stock.