This is a new subpanel in a workshop and the electrician told me because it's new all circuits have to be AFCI and because it's an outbuilding it should be GFCI too. So, I purchased these breakers
GFCI Breaker (Ground Fault Circuit Interrupter), GE Industrial
Eaton 15-amp 1-Pole Dual Function Afci/Gfci Circuit Breaker in the Circuit Breakers department at
GFCI Circuit Breakers - Ground Fault Breakers - Siemens USA
What you need to know about AFCI and GFCI requirements
: Tools & Home Improvement
Eaton Type BR 15-Amp 1-Pole Dual Function AFCI/GFCI Circuit Breaker
QO120DFC - Mini circuit breaker, QO, 20A, 1 pole, 120VAC, 10kA, plug in, dual function, pigtail, clam
Why is one outlet causing a dual AFCI/GFCI circuit breaker to trip only when a plugged in device is turned on? - Quora
CHFAFGF120, Eaton CH arc fault / ground fault circuit breaker
Eaton BR 20 Amp 1-Pole Dual Function (Arc Fault/Ground Fault) Plug-On Neutral Circuit Breaker BRPAFGF120CS - The Home Depot