Fuji - FVR1.5E11S-2 referenced Inverter product produced by high technology. You can ask all the codes and references except FVR1.5E11S-2 too. It distinguishes with price and quality among the similar products. It produced result of tests of laborotory for years. FVR1.5E11S-2 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.