Shooting on location has lots of challenges. One of the most significant challenges arises before you even go there. How much gear to bring? Bring too much, and you're weighed down by lights and cables. Not enough and the chances of capturing the image you'd hoped for might be compromised.
That's
...The single Flashtube for the Profoto Pro Twin Head.
Uncoated, Max 3000Ws
Profoto Quartz Flashtube for Acute2 and ComPactPlus 1200