Deliver rapid, definitive accuracy in your blood typing assays with our Anti B Grouping Sera. Specially formulated for forward ABO blood grouping, this highly potent in vitro diagnostic reagent detects the presence of the B antigen on human red blood cells. Utilizing a highly specific murine hybridoma cell line (IgM class), it triggers instant, macroscopic hemagglutination when mixed with matching blood types, providing laboratory technicians with immediate, unmistakable results.