This gaslight burner has a "Slip On" mount as opposed to a "Screw On" one. If you're not sure which burner you need, look at the base of the tube. It is either threaded or slip-on.

Cast aluminum head with three ceramic burner tips included to accept standard gaslight mantles, like the SM2. 2 1/2" long aluminum venturi. This burner fits Falcon brand gaslights.