Just ordered 3 since this is a really good deal. AFCI is becoming standard code for a lot of states so you should pick these up while they’re cheap (Provided you have a Siemens breaker box). Home Depot and Lowes both have these for $42-50 each. Half the price and new? Yes please.
https://www.lowes.com/pd/Siemens-QF-15-Amp-1-Pole-Dual-Function-AFCI-GFCI-Circuit-Breaker/50310997