Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Safety Data Sheet for MILLIPLEX MAP Equine Cytokine/Chemokine Magnetic Bead Panel Premixed 23-Plex Panel - Immunology Multiplex Assay EQCYTMG-93KPX23
Material Safety Data Sheet or SDS for MILLIPLEX MAP Equine Cytokine/Chemokine Magnetic Bead Panel Premixed 23-Plex Panel - Immunology Multiplex Assay EQCYTMG-93KPX23 from Merck for download or viewing in the browser.