Includes SA-HRP conjugate (50 uL), Secondary Goat-Anti-Mouse-Biotin Conjugate (50 uL); Antibody Diluent Included. REAGENT FOR PEGGY OR NANOPRO 1000 USERS ONLY. ProteinSimple strongly recommends use of the Antibody Diluent for dilution of primary and secondary antibodies as it has been proven superior to any other buffer system tested. Ships overnight at room temperature. Upon receipt, store at 4C.