CD11b, CD16 and CD66b are commonly used neutrophil markers.
Lakschevitz, F. S., Hassanpour, S., Rubin, A., Fine, N., Sun, C., & Glogauer, M. (2016). Identification of neutrophil surface marker changes in health and inflammation using high-throughput screening flow cytometry. Experimental cell research, 342(2), 200-209.
iFluor™ A7 Anti-human CD11b Antibody *ICRF44*