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 Canine Cytokine/Chemokine Magnetic Bead Panel - Premixed 13 Plex - Immunology Multiplex Assay CCYTMG-90K-PX13
Material Safety Data Sheet or SDS for MILLIPLEX Canine Cytokine/Chemokine Magnetic Bead Panel - Premixed 13 Plex - Immunology Multiplex Assay CCYTMG-90K-PX13 from Merck for download or viewing in the browser.