UltraPolymer Donkey Sheep IgG (H&L) HRP Secondary antibody 5ml. UltraPolymer Donkey Sheep IgG (H&L) HRP Secondary antibody, Host: Sheep, Species: Sheep, Isotype: IgG, Immunogen: Sheep IgG (H&L), Synonym: Anti-sheep IgG, HRP-Linked Antibody, HRP linked secondary antibody, Uses: IHC, Size: 5ml