Measuring the HIV Ag/Ab 4 th Generation in serum or plasma with an Elisa Reader and Washer can be difficult. For testing the HIV Ag/Ab 4 th Generation Elisa 480 wells, we bought this kit only for 261 Euro from Gentaur and it gave us the best results in our diagnostics laboratory. This Genprice Corporation Elisa can be supplied next day to your Lab !!! Catalog number: GEN81315, Product name: HIV Ag/Ab 4 th Generation Elisa, Price: 261 Euro