PowerVisionTM IHC Detection System (Polymer based, biotin-free IHC detection kits) (Offered in anti-mouse or anti-rabbit) Kit components: Pre-blocking (Primary antibody diluent, Ready-to-use) Poly-HRP anti-Mouse IgG (or Poly-HRP anti-Rabbit IgG) (Ready-to-Use) DAB Substrates (2 Components)