What compensation beads do I use for REA clones? 

The MACS Comp Bead Kit, anti-REA has been developed for optimal compensation of fluorescence spillover of fluorochrome-conjugated
REAfinity Antibodies. After staining with fluorochromeconjugated REAfinity Antibodies the MACS Comp Beads, anti-REA are used for automated or manual compensation along with the MACS Comp Beads – blank for the control of the negative population.